Lagrange four-square (Bachet Conjecture) for 454

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454

Lagrange Four Square Definition

For any natural number (p), we write as

p = a² + b² + c² + d²

Determine max_a:

Floor(√454) = Floor(21.307275752663)

Floor(21.307275752663) = 21
This is called max_a

Determine min_a:

Find the first value of a such that
a² ≥ n/4

Start with min_a = 0 and increase by 1

Continue until we reach or breach n/4 → 454/4 = 113.5

When min_a = 11, then it is a² = 121 ≥ 113.5, so min_a = 11

Find a in the range of (min_a, max_a)

(0, 21)

a = 0

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 0²)

max_b = Floor(√454 - 0)

max_b = Floor(√454)

max_b = Floor(21.307275752663)

max_b = 21

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 0²)/3 = 151.33333333333

When min_b = 13, then it is b² = 169 ≥ 151.33333333333, so min_b = 13

Test values for b in the range of (min_b, max_b)

(13, 21)

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 13²)

max_c = Floor(√454 - 0 - 169)

max_c = Floor(√285)

max_c = Floor(16.881943016134)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 13²)/2 = 142.5

When min_c = 12, then it is c² = 144 ≥ 142.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 13² - 12²

max_d = √454 - 0 - 169 - 144

max_d = √141

max_d = 11.874342087038

Since max_d = 11.874342087038 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 13² - 13²

max_d = √454 - 0 - 169 - 169

max_d = √116

max_d = 10.770329614269

Since max_d = 10.770329614269 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 13² - 14²

max_d = √454 - 0 - 169 - 196

max_d = √89

max_d = 9.4339811320566

Since max_d = 9.4339811320566 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 13² - 15²

max_d = √454 - 0 - 169 - 225

max_d = √60

max_d = 7.7459666924148

Since max_d = 7.7459666924148 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 13² - 16²

max_d = √454 - 0 - 169 - 256

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 14²)

max_c = Floor(√454 - 0 - 196)

max_c = Floor(√258)

max_c = Floor(16.062378404209)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 14²)/2 = 129

When min_c = 12, then it is c² = 144 ≥ 129, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 14² - 12²

max_d = √454 - 0 - 196 - 144

max_d = √114

max_d = 10.677078252031

Since max_d = 10.677078252031 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 14² - 13²

max_d = √454 - 0 - 196 - 169

max_d = √89

max_d = 9.4339811320566

Since max_d = 9.4339811320566 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 14² - 14²

max_d = √454 - 0 - 196 - 196

max_d = √62

max_d = 7.8740078740118

Since max_d = 7.8740078740118 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 14² - 15²

max_d = √454 - 0 - 196 - 225

max_d = √33

max_d = 5.744562646538

Since max_d = 5.744562646538 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 14² - 16²

max_d = √454 - 0 - 196 - 256

max_d = √2

max_d = 1.4142135623731

Since max_d = 1.4142135623731 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 15²)

max_c = Floor(√454 - 0 - 225)

max_c = Floor(√229)

max_c = Floor(15.132745950422)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 15²)/2 = 114.5

When min_c = 11, then it is c² = 121 ≥ 114.5, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 15² - 11²

max_d = √454 - 0 - 225 - 121

max_d = √108

max_d = 10.392304845413

Since max_d = 10.392304845413 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 15² - 12²

max_d = √454 - 0 - 225 - 144

max_d = √85

max_d = 9.2195444572929

Since max_d = 9.2195444572929 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 15² - 13²

max_d = √454 - 0 - 225 - 169

max_d = √60

max_d = 7.7459666924148

Since max_d = 7.7459666924148 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 15² - 14²

max_d = √454 - 0 - 225 - 196

max_d = √33

max_d = 5.744562646538

Since max_d = 5.744562646538 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 15² - 15²

max_d = √454 - 0 - 225 - 225

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (0, 15, 15, 2) is an integer solution proven below

0² + 15² + 15² + 2² → 0 + 225 + 225 + 4 = 454

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 16²)

max_c = Floor(√454 - 0 - 256)

max_c = Floor(√198)

max_c = Floor(14.07124727947)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 16²)/2 = 99

When min_c = 10, then it is c² = 100 ≥ 99, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 16² - 10²

max_d = √454 - 0 - 256 - 100

max_d = √98

max_d = 9.8994949366117

Since max_d = 9.8994949366117 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 16² - 11²

max_d = √454 - 0 - 256 - 121

max_d = √77

max_d = 8.7749643873921

Since max_d = 8.7749643873921 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 16² - 12²

max_d = √454 - 0 - 256 - 144

max_d = √54

max_d = 7.3484692283495

Since max_d = 7.3484692283495 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 16² - 13²

max_d = √454 - 0 - 256 - 169

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 16² - 14²

max_d = √454 - 0 - 256 - 196

max_d = √2

max_d = 1.4142135623731

Since max_d = 1.4142135623731 is not an integer, this is not a solution

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 17²)

max_c = Floor(√454 - 0 - 289)

max_c = Floor(√165)

max_c = Floor(12.845232578665)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 17²)/2 = 82.5

When min_c = 10, then it is c² = 100 ≥ 82.5, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 17² - 10²

max_d = √454 - 0 - 289 - 100

max_d = √65

max_d = 8.0622577482985

Since max_d = 8.0622577482985 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 17² - 11²

max_d = √454 - 0 - 289 - 121

max_d = √44

max_d = 6.6332495807108

Since max_d = 6.6332495807108 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 17² - 12²

max_d = √454 - 0 - 289 - 144

max_d = √21

max_d = 4.5825756949558

Since max_d = 4.5825756949558 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 18²)

max_c = Floor(√454 - 0 - 324)

max_c = Floor(√130)

max_c = Floor(11.401754250991)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 18²)/2 = 65

When min_c = 9, then it is c² = 81 ≥ 65, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 18² - 9²

max_d = √454 - 0 - 324 - 81

max_d = √49

max_d = 7

Since max_d = 7, then (a, b, c, d) = (0, 18, 9, 7) is an integer solution proven below

0² + 18² + 9² + 7² → 0 + 324 + 81 + 49 = 454

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 18² - 10²

max_d = √454 - 0 - 324 - 100

max_d = √30

max_d = 5.4772255750517

Since max_d = 5.4772255750517 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 18² - 11²

max_d = √454 - 0 - 324 - 121

max_d = √9

max_d = 3

Since max_d = 3, then (a, b, c, d) = (0, 18, 11, 3) is an integer solution proven below

0² + 18² + 11² + 3² → 0 + 324 + 121 + 9 = 454

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 19²)

max_c = Floor(√454 - 0 - 361)

max_c = Floor(√93)

max_c = Floor(9.643650760993)

max_c = 9

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 19²)/2 = 46.5

When min_c = 7, then it is c² = 49 ≥ 46.5, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 19² - 7²

max_d = √454 - 0 - 361 - 49

max_d = √44

max_d = 6.6332495807108

Since max_d = 6.6332495807108 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 19² - 8²

max_d = √454 - 0 - 361 - 64

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 19² - 9²

max_d = √454 - 0 - 361 - 81

max_d = √12

max_d = 3.4641016151378

Since max_d = 3.4641016151378 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 20²)

max_c = Floor(√454 - 0 - 400)

max_c = Floor(√54)

max_c = Floor(7.3484692283495)

max_c = 7

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 20²)/2 = 27

When min_c = 6, then it is c² = 36 ≥ 27, so min_c = 6

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 20² - 6²

max_d = √454 - 0 - 400 - 36

max_d = √18

max_d = 4.2426406871193

Since max_d = 4.2426406871193 is not an integer, this is not a solution

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 20² - 7²

max_d = √454 - 0 - 400 - 49

max_d = √5

max_d = 2.2360679774998

Since max_d = 2.2360679774998 is not an integer, this is not a solution

b = 21

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 0² - 21²)

max_c = Floor(√454 - 0 - 441)

max_c = Floor(√13)

max_c = Floor(3.605551275464)

max_c = 3

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 0² - 21²)/2 = 6.5

When min_c = 3, then it is c² = 9 ≥ 6.5, so min_c = 3

c = 3

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 0² - 21² - 3²

max_d = √454 - 0 - 441 - 9

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (0, 21, 3, 2) is an integer solution proven below

0² + 21² + 3² + 2² → 0 + 441 + 9 + 4 = 454

a = 1

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 1²)

max_b = Floor(√454 - 1)

max_b = Floor(√453)

max_b = Floor(21.283796653793)

max_b = 21

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 1²)/3 = 151

When min_b = 13, then it is b² = 169 ≥ 151, so min_b = 13

Test values for b in the range of (min_b, max_b)

(13, 21)

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 13²)

max_c = Floor(√454 - 1 - 169)

max_c = Floor(√284)

max_c = Floor(16.852299546353)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 13²)/2 = 142

When min_c = 12, then it is c² = 144 ≥ 142, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 13² - 12²

max_d = √454 - 1 - 169 - 144

max_d = √140

max_d = 11.832159566199

Since max_d = 11.832159566199 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 13² - 13²

max_d = √454 - 1 - 169 - 169

max_d = √115

max_d = 10.723805294764

Since max_d = 10.723805294764 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 13² - 14²

max_d = √454 - 1 - 169 - 196

max_d = √88

max_d = 9.3808315196469

Since max_d = 9.3808315196469 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 13² - 15²

max_d = √454 - 1 - 169 - 225

max_d = √59

max_d = 7.6811457478686

Since max_d = 7.6811457478686 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 13² - 16²

max_d = √454 - 1 - 169 - 256

max_d = √28

max_d = 5.2915026221292

Since max_d = 5.2915026221292 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 14²)

max_c = Floor(√454 - 1 - 196)

max_c = Floor(√257)

max_c = Floor(16.031219541881)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 14²)/2 = 128.5

When min_c = 12, then it is c² = 144 ≥ 128.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 14² - 12²

max_d = √454 - 1 - 196 - 144

max_d = √113

max_d = 10.630145812735

Since max_d = 10.630145812735 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 14² - 13²

max_d = √454 - 1 - 196 - 169

max_d = √88

max_d = 9.3808315196469

Since max_d = 9.3808315196469 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 14² - 14²

max_d = √454 - 1 - 196 - 196

max_d = √61

max_d = 7.8102496759067

Since max_d = 7.8102496759067 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 14² - 15²

max_d = √454 - 1 - 196 - 225

max_d = √32

max_d = 5.6568542494924

Since max_d = 5.6568542494924 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 14² - 16²

max_d = √454 - 1 - 196 - 256

max_d = √1

max_d = 1

Since max_d = 1, then (a, b, c, d) = (1, 14, 16, 1) is an integer solution proven below

1² + 14² + 16² + 1² → 1 + 196 + 256 + 1 = 454

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 15²)

max_c = Floor(√454 - 1 - 225)

max_c = Floor(√228)

max_c = Floor(15.099668870541)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 15²)/2 = 114

When min_c = 11, then it is c² = 121 ≥ 114, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 15² - 11²

max_d = √454 - 1 - 225 - 121

max_d = √107

max_d = 10.344080432789

Since max_d = 10.344080432789 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 15² - 12²

max_d = √454 - 1 - 225 - 144

max_d = √84

max_d = 9.1651513899117

Since max_d = 9.1651513899117 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 15² - 13²

max_d = √454 - 1 - 225 - 169

max_d = √59

max_d = 7.6811457478686

Since max_d = 7.6811457478686 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 15² - 14²

max_d = √454 - 1 - 225 - 196

max_d = √32

max_d = 5.6568542494924

Since max_d = 5.6568542494924 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 15² - 15²

max_d = √454 - 1 - 225 - 225

max_d = √3

max_d = 1.7320508075689

Since max_d = 1.7320508075689 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 16²)

max_c = Floor(√454 - 1 - 256)

max_c = Floor(√197)

max_c = Floor(14.035668847618)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 16²)/2 = 98.5

When min_c = 10, then it is c² = 100 ≥ 98.5, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 16² - 10²

max_d = √454 - 1 - 256 - 100

max_d = √97

max_d = 9.8488578017961

Since max_d = 9.8488578017961 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 16² - 11²

max_d = √454 - 1 - 256 - 121

max_d = √76

max_d = 8.7177978870813

Since max_d = 8.7177978870813 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 16² - 12²

max_d = √454 - 1 - 256 - 144

max_d = √53

max_d = 7.2801098892805

Since max_d = 7.2801098892805 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 16² - 13²

max_d = √454 - 1 - 256 - 169

max_d = √28

max_d = 5.2915026221292

Since max_d = 5.2915026221292 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 16² - 14²

max_d = √454 - 1 - 256 - 196

max_d = √1

max_d = 1

Since max_d = 1, then (a, b, c, d) = (1, 16, 14, 1) is an integer solution proven below

1² + 16² + 14² + 1² → 1 + 256 + 196 + 1 = 454

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 17²)

max_c = Floor(√454 - 1 - 289)

max_c = Floor(√164)

max_c = Floor(12.806248474866)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 17²)/2 = 82

When min_c = 10, then it is c² = 100 ≥ 82, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 17² - 10²

max_d = √454 - 1 - 289 - 100

max_d = √64

max_d = 8

Since max_d = 8, then (a, b, c, d) = (1, 17, 10, 8) is an integer solution proven below

1² + 17² + 10² + 8² → 1 + 289 + 100 + 64 = 454

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 17² - 11²

max_d = √454 - 1 - 289 - 121

max_d = √43

max_d = 6.557438524302

Since max_d = 6.557438524302 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 17² - 12²

max_d = √454 - 1 - 289 - 144

max_d = √20

max_d = 4.4721359549996

Since max_d = 4.4721359549996 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 18²)

max_c = Floor(√454 - 1 - 324)

max_c = Floor(√129)

max_c = Floor(11.357816691601)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 18²)/2 = 64.5

When min_c = 9, then it is c² = 81 ≥ 64.5, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 18² - 9²

max_d = √454 - 1 - 324 - 81

max_d = √48

max_d = 6.9282032302755

Since max_d = 6.9282032302755 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 18² - 10²

max_d = √454 - 1 - 324 - 100

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 18² - 11²

max_d = √454 - 1 - 324 - 121

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 19²)

max_c = Floor(√454 - 1 - 361)

max_c = Floor(√92)

max_c = Floor(9.5916630466254)

max_c = 9

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 19²)/2 = 46

When min_c = 7, then it is c² = 49 ≥ 46, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 19² - 7²

max_d = √454 - 1 - 361 - 49

max_d = √43

max_d = 6.557438524302

Since max_d = 6.557438524302 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 19² - 8²

max_d = √454 - 1 - 361 - 64

max_d = √28

max_d = 5.2915026221292

Since max_d = 5.2915026221292 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 19² - 9²

max_d = √454 - 1 - 361 - 81

max_d = √11

max_d = 3.3166247903554

Since max_d = 3.3166247903554 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 20²)

max_c = Floor(√454 - 1 - 400)

max_c = Floor(√53)

max_c = Floor(7.2801098892805)

max_c = 7

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 20²)/2 = 26.5

When min_c = 6, then it is c² = 36 ≥ 26.5, so min_c = 6

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 20² - 6²

max_d = √454 - 1 - 400 - 36

max_d = √17

max_d = 4.1231056256177

Since max_d = 4.1231056256177 is not an integer, this is not a solution

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 20² - 7²

max_d = √454 - 1 - 400 - 49

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (1, 20, 7, 2) is an integer solution proven below

1² + 20² + 7² + 2² → 1 + 400 + 49 + 4 = 454

b = 21

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 1² - 21²)

max_c = Floor(√454 - 1 - 441)

max_c = Floor(√12)

max_c = Floor(3.4641016151378)

max_c = 3

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 1² - 21²)/2 = 6

When min_c = 3, then it is c² = 9 ≥ 6, so min_c = 3

c = 3

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 1² - 21² - 3²

max_d = √454 - 1 - 441 - 9

max_d = √3

max_d = 1.7320508075689

Since max_d = 1.7320508075689 is not an integer, this is not a solution

a = 2

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 2²)

max_b = Floor(√454 - 4)

max_b = Floor(√450)

max_b = Floor(21.213203435596)

max_b = 21

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 2²)/3 = 150

When min_b = 13, then it is b² = 169 ≥ 150, so min_b = 13

Test values for b in the range of (min_b, max_b)

(13, 21)

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 13²)

max_c = Floor(√454 - 4 - 169)

max_c = Floor(√281)

max_c = Floor(16.76305461424)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 13²)/2 = 140.5

When min_c = 12, then it is c² = 144 ≥ 140.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 13² - 12²

max_d = √454 - 4 - 169 - 144

max_d = √137

max_d = 11.70469991072

Since max_d = 11.70469991072 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 13² - 13²

max_d = √454 - 4 - 169 - 169

max_d = √112

max_d = 10.583005244258

Since max_d = 10.583005244258 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 13² - 14²

max_d = √454 - 4 - 169 - 196

max_d = √85

max_d = 9.2195444572929

Since max_d = 9.2195444572929 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 13² - 15²

max_d = √454 - 4 - 169 - 225

max_d = √56

max_d = 7.4833147735479

Since max_d = 7.4833147735479 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 13² - 16²

max_d = √454 - 4 - 169 - 256

max_d = √25

max_d = 5

Since max_d = 5, then (a, b, c, d) = (2, 13, 16, 5) is an integer solution proven below

2² + 13² + 16² + 5² → 4 + 169 + 256 + 25 = 454

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 14²)

max_c = Floor(√454 - 4 - 196)

max_c = Floor(√254)

max_c = Floor(15.937377450509)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 14²)/2 = 127

When min_c = 12, then it is c² = 144 ≥ 127, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 14² - 12²

max_d = √454 - 4 - 196 - 144

max_d = √110

max_d = 10.488088481702

Since max_d = 10.488088481702 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 14² - 13²

max_d = √454 - 4 - 196 - 169

max_d = √85

max_d = 9.2195444572929

Since max_d = 9.2195444572929 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 14² - 14²

max_d = √454 - 4 - 196 - 196

max_d = √58

max_d = 7.6157731058639

Since max_d = 7.6157731058639 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 14² - 15²

max_d = √454 - 4 - 196 - 225

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 15²)

max_c = Floor(√454 - 4 - 225)

max_c = Floor(√225)

max_c = Floor(15)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 15²)/2 = 112.5

When min_c = 11, then it is c² = 121 ≥ 112.5, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 15² - 11²

max_d = √454 - 4 - 225 - 121

max_d = √104

max_d = 10.198039027186

Since max_d = 10.198039027186 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 15² - 12²

max_d = √454 - 4 - 225 - 144

max_d = √81

max_d = 9

Since max_d = 9, then (a, b, c, d) = (2, 15, 12, 9) is an integer solution proven below

2² + 15² + 12² + 9² → 4 + 225 + 144 + 81 = 454

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 15² - 13²

max_d = √454 - 4 - 225 - 169

max_d = √56

max_d = 7.4833147735479

Since max_d = 7.4833147735479 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 15² - 14²

max_d = √454 - 4 - 225 - 196

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 15² - 15²

max_d = √454 - 4 - 225 - 225

max_d = √0

max_d = 0

Since max_d = 0, then (a, b, c, d) = (2, 15, 15, 0) is an integer solution proven below

2² + 15² + 15² + 0² → 4 + 225 + 225 + 0 = 454

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 16²)

max_c = Floor(√454 - 4 - 256)

max_c = Floor(√194)

max_c = Floor(13.928388277184)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 16²)/2 = 97

When min_c = 10, then it is c² = 100 ≥ 97, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 16² - 10²

max_d = √454 - 4 - 256 - 100

max_d = √94

max_d = 9.6953597148327

Since max_d = 9.6953597148327 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 16² - 11²

max_d = √454 - 4 - 256 - 121

max_d = √73

max_d = 8.5440037453175

Since max_d = 8.5440037453175 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 16² - 12²

max_d = √454 - 4 - 256 - 144

max_d = √50

max_d = 7.0710678118655

Since max_d = 7.0710678118655 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 16² - 13²

max_d = √454 - 4 - 256 - 169

max_d = √25

max_d = 5

Since max_d = 5, then (a, b, c, d) = (2, 16, 13, 5) is an integer solution proven below

2² + 16² + 13² + 5² → 4 + 256 + 169 + 25 = 454

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 17²)

max_c = Floor(√454 - 4 - 289)

max_c = Floor(√161)

max_c = Floor(12.68857754045)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 17²)/2 = 80.5

When min_c = 9, then it is c² = 81 ≥ 80.5, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 17² - 9²

max_d = √454 - 4 - 289 - 81

max_d = √80

max_d = 8.9442719099992

Since max_d = 8.9442719099992 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 17² - 10²

max_d = √454 - 4 - 289 - 100

max_d = √61

max_d = 7.8102496759067

Since max_d = 7.8102496759067 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 17² - 11²

max_d = √454 - 4 - 289 - 121

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 17² - 12²

max_d = √454 - 4 - 289 - 144

max_d = √17

max_d = 4.1231056256177

Since max_d = 4.1231056256177 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 18²)

max_c = Floor(√454 - 4 - 324)

max_c = Floor(√126)

max_c = Floor(11.224972160322)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 18²)/2 = 63

When min_c = 8, then it is c² = 64 ≥ 63, so min_c = 8

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 18² - 8²

max_d = √454 - 4 - 324 - 64

max_d = √62

max_d = 7.8740078740118

Since max_d = 7.8740078740118 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 18² - 9²

max_d = √454 - 4 - 324 - 81

max_d = √45

max_d = 6.7082039324994

Since max_d = 6.7082039324994 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 18² - 10²

max_d = √454 - 4 - 324 - 100

max_d = √26

max_d = 5.0990195135928

Since max_d = 5.0990195135928 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 18² - 11²

max_d = √454 - 4 - 324 - 121

max_d = √5

max_d = 2.2360679774998

Since max_d = 2.2360679774998 is not an integer, this is not a solution

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 19²)

max_c = Floor(√454 - 4 - 361)

max_c = Floor(√89)

max_c = Floor(9.4339811320566)

max_c = 9

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 19²)/2 = 44.5

When min_c = 7, then it is c² = 49 ≥ 44.5, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 19² - 7²

max_d = √454 - 4 - 361 - 49

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 19² - 8²

max_d = √454 - 4 - 361 - 64

max_d = √25

max_d = 5

Since max_d = 5, then (a, b, c, d) = (2, 19, 8, 5) is an integer solution proven below

2² + 19² + 8² + 5² → 4 + 361 + 64 + 25 = 454

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 19² - 9²

max_d = √454 - 4 - 361 - 81

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 20²)

max_c = Floor(√454 - 4 - 400)

max_c = Floor(√50)

max_c = Floor(7.0710678118655)

max_c = 7

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 20²)/2 = 25

When min_c = 5, then it is c² = 25 ≥ 25, so min_c = 5

c = 5

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 20² - 5²

max_d = √454 - 4 - 400 - 25

max_d = √25

max_d = 5

Since max_d = 5, then (a, b, c, d) = (2, 20, 5, 5) is an integer solution proven below

2² + 20² + 5² + 5² → 4 + 400 + 25 + 25 = 454

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 20² - 6²

max_d = √454 - 4 - 400 - 36

max_d = √14

max_d = 3.7416573867739

Since max_d = 3.7416573867739 is not an integer, this is not a solution

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 20² - 7²

max_d = √454 - 4 - 400 - 49

max_d = √1

max_d = 1

Since max_d = 1, then (a, b, c, d) = (2, 20, 7, 1) is an integer solution proven below

2² + 20² + 7² + 1² → 4 + 400 + 49 + 1 = 454

b = 21

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 2² - 21²)

max_c = Floor(√454 - 4 - 441)

max_c = Floor(√9)

max_c = Floor(3)

max_c = 3

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 2² - 21²)/2 = 4.5

When min_c = 3, then it is c² = 9 ≥ 4.5, so min_c = 3

c = 3

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 2² - 21² - 3²

max_d = √454 - 4 - 441 - 9

max_d = √0

max_d = 0

Since max_d = 0, then (a, b, c, d) = (2, 21, 3, 0) is an integer solution proven below

2² + 21² + 3² + 0² → 4 + 441 + 9 + 0 = 454

a = 3

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 3²)

max_b = Floor(√454 - 9)

max_b = Floor(√445)

max_b = Floor(21.095023109729)

max_b = 21

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 3²)/3 = 148.33333333333

When min_b = 13, then it is b² = 169 ≥ 148.33333333333, so min_b = 13

Test values for b in the range of (min_b, max_b)

(13, 21)

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 13²)

max_c = Floor(√454 - 9 - 169)

max_c = Floor(√276)

max_c = Floor(16.613247725836)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 13²)/2 = 138

When min_c = 12, then it is c² = 144 ≥ 138, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 13² - 12²

max_d = √454 - 9 - 169 - 144

max_d = √132

max_d = 11.489125293076

Since max_d = 11.489125293076 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 13² - 13²

max_d = √454 - 9 - 169 - 169

max_d = √107

max_d = 10.344080432789

Since max_d = 10.344080432789 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 13² - 14²

max_d = √454 - 9 - 169 - 196

max_d = √80

max_d = 8.9442719099992

Since max_d = 8.9442719099992 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 13² - 15²

max_d = √454 - 9 - 169 - 225

max_d = √51

max_d = 7.1414284285429

Since max_d = 7.1414284285429 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 13² - 16²

max_d = √454 - 9 - 169 - 256

max_d = √20

max_d = 4.4721359549996

Since max_d = 4.4721359549996 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 14²)

max_c = Floor(√454 - 9 - 196)

max_c = Floor(√249)

max_c = Floor(15.779733838059)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 14²)/2 = 124.5

When min_c = 12, then it is c² = 144 ≥ 124.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 14² - 12²

max_d = √454 - 9 - 196 - 144

max_d = √105

max_d = 10.24695076596

Since max_d = 10.24695076596 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 14² - 13²

max_d = √454 - 9 - 196 - 169

max_d = √80

max_d = 8.9442719099992

Since max_d = 8.9442719099992 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 14² - 14²

max_d = √454 - 9 - 196 - 196

max_d = √53

max_d = 7.2801098892805

Since max_d = 7.2801098892805 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 14² - 15²

max_d = √454 - 9 - 196 - 225

max_d = √24

max_d = 4.8989794855664

Since max_d = 4.8989794855664 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 15²)

max_c = Floor(√454 - 9 - 225)

max_c = Floor(√220)

max_c = Floor(14.832396974191)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 15²)/2 = 110

When min_c = 11, then it is c² = 121 ≥ 110, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 15² - 11²

max_d = √454 - 9 - 225 - 121

max_d = √99

max_d = 9.9498743710662

Since max_d = 9.9498743710662 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 15² - 12²

max_d = √454 - 9 - 225 - 144

max_d = √76

max_d = 8.7177978870813

Since max_d = 8.7177978870813 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 15² - 13²

max_d = √454 - 9 - 225 - 169

max_d = √51

max_d = 7.1414284285429

Since max_d = 7.1414284285429 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 15² - 14²

max_d = √454 - 9 - 225 - 196

max_d = √24

max_d = 4.8989794855664

Since max_d = 4.8989794855664 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 16²)

max_c = Floor(√454 - 9 - 256)

max_c = Floor(√189)

max_c = Floor(13.747727084868)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 16²)/2 = 94.5

When min_c = 10, then it is c² = 100 ≥ 94.5, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 16² - 10²

max_d = √454 - 9 - 256 - 100

max_d = √89

max_d = 9.4339811320566

Since max_d = 9.4339811320566 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 16² - 11²

max_d = √454 - 9 - 256 - 121

max_d = √68

max_d = 8.2462112512353

Since max_d = 8.2462112512353 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 16² - 12²

max_d = √454 - 9 - 256 - 144

max_d = √45

max_d = 6.7082039324994

Since max_d = 6.7082039324994 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 16² - 13²

max_d = √454 - 9 - 256 - 169

max_d = √20

max_d = 4.4721359549996

Since max_d = 4.4721359549996 is not an integer, this is not a solution

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 17²)

max_c = Floor(√454 - 9 - 289)

max_c = Floor(√156)

max_c = Floor(12.489995996797)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 17²)/2 = 78

When min_c = 9, then it is c² = 81 ≥ 78, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 17² - 9²

max_d = √454 - 9 - 289 - 81

max_d = √75

max_d = 8.6602540378444

Since max_d = 8.6602540378444 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 17² - 10²

max_d = √454 - 9 - 289 - 100

max_d = √56

max_d = 7.4833147735479

Since max_d = 7.4833147735479 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 17² - 11²

max_d = √454 - 9 - 289 - 121

max_d = √35

max_d = 5.9160797830996

Since max_d = 5.9160797830996 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 17² - 12²

max_d = √454 - 9 - 289 - 144

max_d = √12

max_d = 3.4641016151378

Since max_d = 3.4641016151378 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 18²)

max_c = Floor(√454 - 9 - 324)

max_c = Floor(√121)

max_c = Floor(11)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 18²)/2 = 60.5

When min_c = 8, then it is c² = 64 ≥ 60.5, so min_c = 8

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 18² - 8²

max_d = √454 - 9 - 324 - 64

max_d = √57

max_d = 7.5498344352707

Since max_d = 7.5498344352707 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 18² - 9²

max_d = √454 - 9 - 324 - 81

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 18² - 10²

max_d = √454 - 9 - 324 - 100

max_d = √21

max_d = 4.5825756949558

Since max_d = 4.5825756949558 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 18² - 11²

max_d = √454 - 9 - 324 - 121

max_d = √0

max_d = 0

Since max_d = 0, then (a, b, c, d) = (3, 18, 11, 0) is an integer solution proven below

3² + 18² + 11² + 0² → 9 + 324 + 121 + 0 = 454

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 19²)

max_c = Floor(√454 - 9 - 361)

max_c = Floor(√84)

max_c = Floor(9.1651513899117)

max_c = 9

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 19²)/2 = 42

When min_c = 7, then it is c² = 49 ≥ 42, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 19² - 7²

max_d = √454 - 9 - 361 - 49

max_d = √35

max_d = 5.9160797830996

Since max_d = 5.9160797830996 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 19² - 8²

max_d = √454 - 9 - 361 - 64

max_d = √20

max_d = 4.4721359549996

Since max_d = 4.4721359549996 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 19² - 9²

max_d = √454 - 9 - 361 - 81

max_d = √3

max_d = 1.7320508075689

Since max_d = 1.7320508075689 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 20²)

max_c = Floor(√454 - 9 - 400)

max_c = Floor(√45)

max_c = Floor(6.7082039324994)

max_c = 6

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 20²)/2 = 22.5

When min_c = 5, then it is c² = 25 ≥ 22.5, so min_c = 5

c = 5

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 20² - 5²

max_d = √454 - 9 - 400 - 25

max_d = √20

max_d = 4.4721359549996

Since max_d = 4.4721359549996 is not an integer, this is not a solution

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 20² - 6²

max_d = √454 - 9 - 400 - 36

max_d = √9

max_d = 3

Since max_d = 3, then (a, b, c, d) = (3, 20, 6, 3) is an integer solution proven below

3² + 20² + 6² + 3² → 9 + 400 + 36 + 9 = 454

b = 21

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 3² - 21²)

max_c = Floor(√454 - 9 - 441)

max_c = Floor(√4)

max_c = Floor(2)

max_c = 2

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 3² - 21²)/2 = 2

When min_c = 2, then it is c² = 4 ≥ 2, so min_c = 2

c = 2

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 3² - 21² - 2²

max_d = √454 - 9 - 441 - 4

max_d = √0

max_d = 0

Since max_d = 0, then (a, b, c, d) = (3, 21, 2, 0) is an integer solution proven below

3² + 21² + 2² + 0² → 9 + 441 + 4 + 0 = 454

a = 4

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 4²)

max_b = Floor(√454 - 16)

max_b = Floor(√438)

max_b = Floor(20.928449536456)

max_b = 20

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 4²)/3 = 146

When min_b = 13, then it is b² = 169 ≥ 146, so min_b = 13

Test values for b in the range of (min_b, max_b)

(13, 20)

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 13²)

max_c = Floor(√454 - 16 - 169)

max_c = Floor(√269)

max_c = Floor(16.401219466857)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 13²)/2 = 134.5

When min_c = 12, then it is c² = 144 ≥ 134.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 13² - 12²

max_d = √454 - 16 - 169 - 144

max_d = √125

max_d = 11.180339887499

Since max_d = 11.180339887499 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 13² - 13²

max_d = √454 - 16 - 169 - 169

max_d = √100

max_d = 10

Since max_d = 10, then (a, b, c, d) = (4, 13, 13, 10) is an integer solution proven below

4² + 13² + 13² + 10² → 16 + 169 + 169 + 100 = 454

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 13² - 14²

max_d = √454 - 16 - 169 - 196

max_d = √73

max_d = 8.5440037453175

Since max_d = 8.5440037453175 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 13² - 15²

max_d = √454 - 16 - 169 - 225

max_d = √44

max_d = 6.6332495807108

Since max_d = 6.6332495807108 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 13² - 16²

max_d = √454 - 16 - 169 - 256

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 14²)

max_c = Floor(√454 - 16 - 196)

max_c = Floor(√242)

max_c = Floor(15.556349186104)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 14²)/2 = 121

When min_c = 11, then it is c² = 121 ≥ 121, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 14² - 11²

max_d = √454 - 16 - 196 - 121

max_d = √121

max_d = 11

Since max_d = 11, then (a, b, c, d) = (4, 14, 11, 11) is an integer solution proven below

4² + 14² + 11² + 11² → 16 + 196 + 121 + 121 = 454

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 14² - 12²

max_d = √454 - 16 - 196 - 144

max_d = √98

max_d = 9.8994949366117

Since max_d = 9.8994949366117 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 14² - 13²

max_d = √454 - 16 - 196 - 169

max_d = √73

max_d = 8.5440037453175

Since max_d = 8.5440037453175 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 14² - 14²

max_d = √454 - 16 - 196 - 196

max_d = √46

max_d = 6.7823299831253

Since max_d = 6.7823299831253 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 14² - 15²

max_d = √454 - 16 - 196 - 225

max_d = √17

max_d = 4.1231056256177

Since max_d = 4.1231056256177 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 15²)

max_c = Floor(√454 - 16 - 225)

max_c = Floor(√213)

max_c = Floor(14.594519519326)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 15²)/2 = 106.5

When min_c = 11, then it is c² = 121 ≥ 106.5, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 15² - 11²

max_d = √454 - 16 - 225 - 121

max_d = √92

max_d = 9.5916630466254

Since max_d = 9.5916630466254 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 15² - 12²

max_d = √454 - 16 - 225 - 144

max_d = √69

max_d = 8.3066238629181

Since max_d = 8.3066238629181 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 15² - 13²

max_d = √454 - 16 - 225 - 169

max_d = √44

max_d = 6.6332495807108

Since max_d = 6.6332495807108 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 15² - 14²

max_d = √454 - 16 - 225 - 196

max_d = √17

max_d = 4.1231056256177

Since max_d = 4.1231056256177 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 16²)

max_c = Floor(√454 - 16 - 256)

max_c = Floor(√182)

max_c = Floor(13.490737563232)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 16²)/2 = 91

When min_c = 10, then it is c² = 100 ≥ 91, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 16² - 10²

max_d = √454 - 16 - 256 - 100

max_d = √82

max_d = 9.0553851381374

Since max_d = 9.0553851381374 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 16² - 11²

max_d = √454 - 16 - 256 - 121

max_d = √61

max_d = 7.8102496759067

Since max_d = 7.8102496759067 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 16² - 12²

max_d = √454 - 16 - 256 - 144

max_d = √38

max_d = 6.164414002969

Since max_d = 6.164414002969 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 16² - 13²

max_d = √454 - 16 - 256 - 169

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 17²)

max_c = Floor(√454 - 16 - 289)

max_c = Floor(√149)

max_c = Floor(12.206555615734)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 17²)/2 = 74.5

When min_c = 9, then it is c² = 81 ≥ 74.5, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 17² - 9²

max_d = √454 - 16 - 289 - 81

max_d = √68

max_d = 8.2462112512353

Since max_d = 8.2462112512353 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 17² - 10²

max_d = √454 - 16 - 289 - 100

max_d = √49

max_d = 7

Since max_d = 7, then (a, b, c, d) = (4, 17, 10, 7) is an integer solution proven below

4² + 17² + 10² + 7² → 16 + 289 + 100 + 49 = 454

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 17² - 11²

max_d = √454 - 16 - 289 - 121

max_d = √28

max_d = 5.2915026221292

Since max_d = 5.2915026221292 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 17² - 12²

max_d = √454 - 16 - 289 - 144

max_d = √5

max_d = 2.2360679774998

Since max_d = 2.2360679774998 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 18²)

max_c = Floor(√454 - 16 - 324)

max_c = Floor(√114)

max_c = Floor(10.677078252031)

max_c = 10

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 18²)/2 = 57

When min_c = 8, then it is c² = 64 ≥ 57, so min_c = 8

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 18² - 8²

max_d = √454 - 16 - 324 - 64

max_d = √50

max_d = 7.0710678118655

Since max_d = 7.0710678118655 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 18² - 9²

max_d = √454 - 16 - 324 - 81

max_d = √33

max_d = 5.744562646538

Since max_d = 5.744562646538 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 18² - 10²

max_d = √454 - 16 - 324 - 100

max_d = √14

max_d = 3.7416573867739

Since max_d = 3.7416573867739 is not an integer, this is not a solution

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 19²)

max_c = Floor(√454 - 16 - 361)

max_c = Floor(√77)

max_c = Floor(8.7749643873921)

max_c = 8

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 19²)/2 = 38.5

When min_c = 7, then it is c² = 49 ≥ 38.5, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 19² - 7²

max_d = √454 - 16 - 361 - 49

max_d = √28

max_d = 5.2915026221292

Since max_d = 5.2915026221292 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 19² - 8²

max_d = √454 - 16 - 361 - 64

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 4² - 20²)

max_c = Floor(√454 - 16 - 400)

max_c = Floor(√38)

max_c = Floor(6.164414002969)

max_c = 6

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 4² - 20²)/2 = 19

When min_c = 5, then it is c² = 25 ≥ 19, so min_c = 5

c = 5

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 20² - 5²

max_d = √454 - 16 - 400 - 25

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 4² - 20² - 6²

max_d = √454 - 16 - 400 - 36

max_d = √2

max_d = 1.4142135623731

Since max_d = 1.4142135623731 is not an integer, this is not a solution

a = 5

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 5²)

max_b = Floor(√454 - 25)

max_b = Floor(√429)

max_b = Floor(20.712315177208)

max_b = 20

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 5²)/3 = 143

When min_b = 12, then it is b² = 144 ≥ 143, so min_b = 12

Test values for b in the range of (min_b, max_b)

(12, 20)

b = 12

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 12²)

max_c = Floor(√454 - 25 - 144)

max_c = Floor(√285)

max_c = Floor(16.881943016134)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 12²)/2 = 142.5

When min_c = 12, then it is c² = 144 ≥ 142.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 12² - 12²

max_d = √454 - 25 - 144 - 144

max_d = √141

max_d = 11.874342087038

Since max_d = 11.874342087038 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 12² - 13²

max_d = √454 - 25 - 144 - 169

max_d = √116

max_d = 10.770329614269

Since max_d = 10.770329614269 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 12² - 14²

max_d = √454 - 25 - 144 - 196

max_d = √89

max_d = 9.4339811320566

Since max_d = 9.4339811320566 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 12² - 15²

max_d = √454 - 25 - 144 - 225

max_d = √60

max_d = 7.7459666924148

Since max_d = 7.7459666924148 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 12² - 16²

max_d = √454 - 25 - 144 - 256

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 13²)

max_c = Floor(√454 - 25 - 169)

max_c = Floor(√260)

max_c = Floor(16.124515496597)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 13²)/2 = 130

When min_c = 12, then it is c² = 144 ≥ 130, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 13² - 12²

max_d = √454 - 25 - 169 - 144

max_d = √116

max_d = 10.770329614269

Since max_d = 10.770329614269 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 13² - 13²

max_d = √454 - 25 - 169 - 169

max_d = √91

max_d = 9.5393920141695

Since max_d = 9.5393920141695 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 13² - 14²

max_d = √454 - 25 - 169 - 196

max_d = √64

max_d = 8

Since max_d = 8, then (a, b, c, d) = (5, 13, 14, 8) is an integer solution proven below

5² + 13² + 14² + 8² → 25 + 169 + 196 + 64 = 454

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 13² - 15²

max_d = √454 - 25 - 169 - 225

max_d = √35

max_d = 5.9160797830996

Since max_d = 5.9160797830996 is not an integer, this is not a solution

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 13² - 16²

max_d = √454 - 25 - 169 - 256

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (5, 13, 16, 2) is an integer solution proven below

5² + 13² + 16² + 2² → 25 + 169 + 256 + 4 = 454

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 14²)

max_c = Floor(√454 - 25 - 196)

max_c = Floor(√233)

max_c = Floor(15.264337522474)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 14²)/2 = 116.5

When min_c = 11, then it is c² = 121 ≥ 116.5, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 14² - 11²

max_d = √454 - 25 - 196 - 121

max_d = √112

max_d = 10.583005244258

Since max_d = 10.583005244258 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 14² - 12²

max_d = √454 - 25 - 196 - 144

max_d = √89

max_d = 9.4339811320566

Since max_d = 9.4339811320566 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 14² - 13²

max_d = √454 - 25 - 196 - 169

max_d = √64

max_d = 8

Since max_d = 8, then (a, b, c, d) = (5, 14, 13, 8) is an integer solution proven below

5² + 14² + 13² + 8² → 25 + 196 + 169 + 64 = 454

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 14² - 14²

max_d = √454 - 25 - 196 - 196

max_d = √37

max_d = 6.0827625302982

Since max_d = 6.0827625302982 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 14² - 15²

max_d = √454 - 25 - 196 - 225

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 15²)

max_c = Floor(√454 - 25 - 225)

max_c = Floor(√204)

max_c = Floor(14.282856857086)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 15²)/2 = 102

When min_c = 11, then it is c² = 121 ≥ 102, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 15² - 11²

max_d = √454 - 25 - 225 - 121

max_d = √83

max_d = 9.1104335791443

Since max_d = 9.1104335791443 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 15² - 12²

max_d = √454 - 25 - 225 - 144

max_d = √60

max_d = 7.7459666924148

Since max_d = 7.7459666924148 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 15² - 13²

max_d = √454 - 25 - 225 - 169

max_d = √35

max_d = 5.9160797830996

Since max_d = 5.9160797830996 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 15² - 14²

max_d = √454 - 25 - 225 - 196

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 16²)

max_c = Floor(√454 - 25 - 256)

max_c = Floor(√173)

max_c = Floor(13.152946437966)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 16²)/2 = 86.5

When min_c = 10, then it is c² = 100 ≥ 86.5, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 16² - 10²

max_d = √454 - 25 - 256 - 100

max_d = √73

max_d = 8.5440037453175

Since max_d = 8.5440037453175 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 16² - 11²

max_d = √454 - 25 - 256 - 121

max_d = √52

max_d = 7.211102550928

Since max_d = 7.211102550928 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 16² - 12²

max_d = √454 - 25 - 256 - 144

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 16² - 13²

max_d = √454 - 25 - 256 - 169

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (5, 16, 13, 2) is an integer solution proven below

5² + 16² + 13² + 2² → 25 + 256 + 169 + 4 = 454

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 17²)

max_c = Floor(√454 - 25 - 289)

max_c = Floor(√140)

max_c = Floor(11.832159566199)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 17²)/2 = 70

When min_c = 9, then it is c² = 81 ≥ 70, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 17² - 9²

max_d = √454 - 25 - 289 - 81

max_d = √59

max_d = 7.6811457478686

Since max_d = 7.6811457478686 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 17² - 10²

max_d = √454 - 25 - 289 - 100

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 17² - 11²

max_d = √454 - 25 - 289 - 121

max_d = √19

max_d = 4.3588989435407

Since max_d = 4.3588989435407 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 18²)

max_c = Floor(√454 - 25 - 324)

max_c = Floor(√105)

max_c = Floor(10.24695076596)

max_c = 10

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 18²)/2 = 52.5

When min_c = 8, then it is c² = 64 ≥ 52.5, so min_c = 8

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 18² - 8²

max_d = √454 - 25 - 324 - 64

max_d = √41

max_d = 6.4031242374328

Since max_d = 6.4031242374328 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 18² - 9²

max_d = √454 - 25 - 324 - 81

max_d = √24

max_d = 4.8989794855664

Since max_d = 4.8989794855664 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 18² - 10²

max_d = √454 - 25 - 324 - 100

max_d = √5

max_d = 2.2360679774998

Since max_d = 2.2360679774998 is not an integer, this is not a solution

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 19²)

max_c = Floor(√454 - 25 - 361)

max_c = Floor(√68)

max_c = Floor(8.2462112512353)

max_c = 8

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 19²)/2 = 34

When min_c = 6, then it is c² = 36 ≥ 34, so min_c = 6

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 19² - 6²

max_d = √454 - 25 - 361 - 36

max_d = √32

max_d = 5.6568542494924

Since max_d = 5.6568542494924 is not an integer, this is not a solution

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 19² - 7²

max_d = √454 - 25 - 361 - 49

max_d = √19

max_d = 4.3588989435407

Since max_d = 4.3588989435407 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 19² - 8²

max_d = √454 - 25 - 361 - 64

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (5, 19, 8, 2) is an integer solution proven below

5² + 19² + 8² + 2² → 25 + 361 + 64 + 4 = 454

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 5² - 20²)

max_c = Floor(√454 - 25 - 400)

max_c = Floor(√29)

max_c = Floor(5.3851648071345)

max_c = 5

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 5² - 20²)/2 = 14.5

When min_c = 4, then it is c² = 16 ≥ 14.5, so min_c = 4

c = 4

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 20² - 4²

max_d = √454 - 25 - 400 - 16

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

c = 5

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 5² - 20² - 5²

max_d = √454 - 25 - 400 - 25

max_d = √4

max_d = 2

Since max_d = 2, then (a, b, c, d) = (5, 20, 5, 2) is an integer solution proven below

5² + 20² + 5² + 2² → 25 + 400 + 25 + 4 = 454

a = 6

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 6²)

max_b = Floor(√454 - 36)

max_b = Floor(√418)

max_b = Floor(20.445048300261)

max_b = 20

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 6²)/3 = 139.33333333333

When min_b = 12, then it is b² = 144 ≥ 139.33333333333, so min_b = 12

Test values for b in the range of (min_b, max_b)

(12, 20)

b = 12

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 12²)

max_c = Floor(√454 - 36 - 144)

max_c = Floor(√274)

max_c = Floor(16.552945357247)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 12²)/2 = 137

When min_c = 12, then it is c² = 144 ≥ 137, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 12² - 12²

max_d = √454 - 36 - 144 - 144

max_d = √130

max_d = 11.401754250991

Since max_d = 11.401754250991 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 12² - 13²

max_d = √454 - 36 - 144 - 169

max_d = √105

max_d = 10.24695076596

Since max_d = 10.24695076596 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 12² - 14²

max_d = √454 - 36 - 144 - 196

max_d = √78

max_d = 8.8317608663278

Since max_d = 8.8317608663278 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 12² - 15²

max_d = √454 - 36 - 144 - 225

max_d = √49

max_d = 7

Since max_d = 7, then (a, b, c, d) = (6, 12, 15, 7) is an integer solution proven below

6² + 12² + 15² + 7² → 36 + 144 + 225 + 49 = 454

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 12² - 16²

max_d = √454 - 36 - 144 - 256

max_d = √18

max_d = 4.2426406871193

Since max_d = 4.2426406871193 is not an integer, this is not a solution

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 13²)

max_c = Floor(√454 - 36 - 169)

max_c = Floor(√249)

max_c = Floor(15.779733838059)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 13²)/2 = 124.5

When min_c = 12, then it is c² = 144 ≥ 124.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 13² - 12²

max_d = √454 - 36 - 169 - 144

max_d = √105

max_d = 10.24695076596

Since max_d = 10.24695076596 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 13² - 13²

max_d = √454 - 36 - 169 - 169

max_d = √80

max_d = 8.9442719099992

Since max_d = 8.9442719099992 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 13² - 14²

max_d = √454 - 36 - 169 - 196

max_d = √53

max_d = 7.2801098892805

Since max_d = 7.2801098892805 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 13² - 15²

max_d = √454 - 36 - 169 - 225

max_d = √24

max_d = 4.8989794855664

Since max_d = 4.8989794855664 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 14²)

max_c = Floor(√454 - 36 - 196)

max_c = Floor(√222)

max_c = Floor(14.899664425751)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 14²)/2 = 111

When min_c = 11, then it is c² = 121 ≥ 111, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 14² - 11²

max_d = √454 - 36 - 196 - 121

max_d = √101

max_d = 10.049875621121

Since max_d = 10.049875621121 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 14² - 12²

max_d = √454 - 36 - 196 - 144

max_d = √78

max_d = 8.8317608663278

Since max_d = 8.8317608663278 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 14² - 13²

max_d = √454 - 36 - 196 - 169

max_d = √53

max_d = 7.2801098892805

Since max_d = 7.2801098892805 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 14² - 14²

max_d = √454 - 36 - 196 - 196

max_d = √26

max_d = 5.0990195135928

Since max_d = 5.0990195135928 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 15²)

max_c = Floor(√454 - 36 - 225)

max_c = Floor(√193)

max_c = Floor(13.89244398945)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 15²)/2 = 96.5

When min_c = 10, then it is c² = 100 ≥ 96.5, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 15² - 10²

max_d = √454 - 36 - 225 - 100

max_d = √93

max_d = 9.643650760993

Since max_d = 9.643650760993 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 15² - 11²

max_d = √454 - 36 - 225 - 121

max_d = √72

max_d = 8.4852813742386

Since max_d = 8.4852813742386 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 15² - 12²

max_d = √454 - 36 - 225 - 144

max_d = √49

max_d = 7

Since max_d = 7, then (a, b, c, d) = (6, 15, 12, 7) is an integer solution proven below

6² + 15² + 12² + 7² → 36 + 225 + 144 + 49 = 454

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 15² - 13²

max_d = √454 - 36 - 225 - 169

max_d = √24

max_d = 4.8989794855664

Since max_d = 4.8989794855664 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 16²)

max_c = Floor(√454 - 36 - 256)

max_c = Floor(√162)

max_c = Floor(12.727922061358)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 16²)/2 = 81

When min_c = 9, then it is c² = 81 ≥ 81, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 16² - 9²

max_d = √454 - 36 - 256 - 81

max_d = √81

max_d = 9

Since max_d = 9, then (a, b, c, d) = (6, 16, 9, 9) is an integer solution proven below

6² + 16² + 9² + 9² → 36 + 256 + 81 + 81 = 454

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 16² - 10²

max_d = √454 - 36 - 256 - 100

max_d = √62

max_d = 7.8740078740118

Since max_d = 7.8740078740118 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 16² - 11²

max_d = √454 - 36 - 256 - 121

max_d = √41

max_d = 6.4031242374328

Since max_d = 6.4031242374328 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 16² - 12²

max_d = √454 - 36 - 256 - 144

max_d = √18

max_d = 4.2426406871193

Since max_d = 4.2426406871193 is not an integer, this is not a solution

b = 17

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 17²)

max_c = Floor(√454 - 36 - 289)

max_c = Floor(√129)

max_c = Floor(11.357816691601)

max_c = 11

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 17²)/2 = 64.5

When min_c = 9, then it is c² = 81 ≥ 64.5, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 17² - 9²

max_d = √454 - 36 - 289 - 81

max_d = √48

max_d = 6.9282032302755

Since max_d = 6.9282032302755 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 17² - 10²

max_d = √454 - 36 - 289 - 100

max_d = √29

max_d = 5.3851648071345

Since max_d = 5.3851648071345 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 17² - 11²

max_d = √454 - 36 - 289 - 121

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 18

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 18²)

max_c = Floor(√454 - 36 - 324)

max_c = Floor(√94)

max_c = Floor(9.6953597148327)

max_c = 9

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 18²)/2 = 47

When min_c = 7, then it is c² = 49 ≥ 47, so min_c = 7

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 18² - 7²

max_d = √454 - 36 - 324 - 49

max_d = √45

max_d = 6.7082039324994

Since max_d = 6.7082039324994 is not an integer, this is not a solution

c = 8

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 18² - 8²

max_d = √454 - 36 - 324 - 64

max_d = √30

max_d = 5.4772255750517

Since max_d = 5.4772255750517 is not an integer, this is not a solution

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 18² - 9²

max_d = √454 - 36 - 324 - 81

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

b = 19

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 19²)

max_c = Floor(√454 - 36 - 361)

max_c = Floor(√57)

max_c = Floor(7.5498344352707)

max_c = 7

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 19²)/2 = 28.5

When min_c = 6, then it is c² = 36 ≥ 28.5, so min_c = 6

c = 6

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 19² - 6²

max_d = √454 - 36 - 361 - 36

max_d = √21

max_d = 4.5825756949558

Since max_d = 4.5825756949558 is not an integer, this is not a solution

c = 7

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 19² - 7²

max_d = √454 - 36 - 361 - 49

max_d = √8

max_d = 2.8284271247462

Since max_d = 2.8284271247462 is not an integer, this is not a solution

b = 20

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 6² - 20²)

max_c = Floor(√454 - 36 - 400)

max_c = Floor(√18)

max_c = Floor(4.2426406871193)

max_c = 4

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 6² - 20²)/2 = 9

When min_c = 3, then it is c² = 9 ≥ 9, so min_c = 3

c = 3

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 20² - 3²

max_d = √454 - 36 - 400 - 9

max_d = √9

max_d = 3

Since max_d = 3, then (a, b, c, d) = (6, 20, 3, 3) is an integer solution proven below

6² + 20² + 3² + 3² → 36 + 400 + 9 + 9 = 454

c = 4

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 6² - 20² - 4²

max_d = √454 - 36 - 400 - 16

max_d = √2

max_d = 1.4142135623731

Since max_d = 1.4142135623731 is not an integer, this is not a solution

a = 7

Find max_b which is Floor(√n - a²)

max_b = Floor(√454 - 7²)

max_b = Floor(√454 - 49)

max_b = Floor(√405)

max_b = Floor(20.124611797498)

max_b = 20

Find b such that b² ≥ (n - a²)/3

Call it min_b

Find b

Start with min_b = 0 and increase by 1
Go until (n - a²)/3 → (454 - 7²)/3 = 135

When min_b = 12, then it is b² = 144 ≥ 135, so min_b = 12

Test values for b in the range of (min_b, max_b)

(12, 20)

b = 12

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 7² - 12²)

max_c = Floor(√454 - 49 - 144)

max_c = Floor(√261)

max_c = Floor(16.155494421404)

max_c = 16

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 7² - 12²)/2 = 130.5

When min_c = 12, then it is c² = 144 ≥ 130.5, so min_c = 12

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 12² - 12²

max_d = √454 - 49 - 144 - 144

max_d = √117

max_d = 10.816653826392

Since max_d = 10.816653826392 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 12² - 13²

max_d = √454 - 49 - 144 - 169

max_d = √92

max_d = 9.5916630466254

Since max_d = 9.5916630466254 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 12² - 14²

max_d = √454 - 49 - 144 - 196

max_d = √65

max_d = 8.0622577482985

Since max_d = 8.0622577482985 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 12² - 15²

max_d = √454 - 49 - 144 - 225

max_d = √36

max_d = 6

Since max_d = 6, then (a, b, c, d) = (7, 12, 15, 6) is an integer solution proven below

7² + 12² + 15² + 6² → 49 + 144 + 225 + 36 = 454

c = 16

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 12² - 16²

max_d = √454 - 49 - 144 - 256

max_d = √5

max_d = 2.2360679774998

Since max_d = 2.2360679774998 is not an integer, this is not a solution

b = 13

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 7² - 13²)

max_c = Floor(√454 - 49 - 169)

max_c = Floor(√236)

max_c = Floor(15.362291495737)

max_c = 15

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 7² - 13²)/2 = 118

When min_c = 11, then it is c² = 121 ≥ 118, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 13² - 11²

max_d = √454 - 49 - 169 - 121

max_d = √115

max_d = 10.723805294764

Since max_d = 10.723805294764 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 13² - 12²

max_d = √454 - 49 - 169 - 144

max_d = √92

max_d = 9.5916630466254

Since max_d = 9.5916630466254 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 13² - 13²

max_d = √454 - 49 - 169 - 169

max_d = √67

max_d = 8.1853527718725

Since max_d = 8.1853527718725 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 13² - 14²

max_d = √454 - 49 - 169 - 196

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 15

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 13² - 15²

max_d = √454 - 49 - 169 - 225

max_d = √11

max_d = 3.3166247903554

Since max_d = 3.3166247903554 is not an integer, this is not a solution

b = 14

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 7² - 14²)

max_c = Floor(√454 - 49 - 196)

max_c = Floor(√209)

max_c = Floor(14.456832294801)

max_c = 14

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 7² - 14²)/2 = 104.5

When min_c = 11, then it is c² = 121 ≥ 104.5, so min_c = 11

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 14² - 11²

max_d = √454 - 49 - 196 - 121

max_d = √88

max_d = 9.3808315196469

Since max_d = 9.3808315196469 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 14² - 12²

max_d = √454 - 49 - 196 - 144

max_d = √65

max_d = 8.0622577482985

Since max_d = 8.0622577482985 is not an integer, this is not a solution

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 14² - 13²

max_d = √454 - 49 - 196 - 169

max_d = √40

max_d = 6.3245553203368

Since max_d = 6.3245553203368 is not an integer, this is not a solution

c = 14

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 14² - 14²

max_d = √454 - 49 - 196 - 196

max_d = √13

max_d = 3.605551275464

Since max_d = 3.605551275464 is not an integer, this is not a solution

b = 15

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 7² - 15²)

max_c = Floor(√454 - 49 - 225)

max_c = Floor(√180)

max_c = Floor(13.416407864999)

max_c = 13

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 7² - 15²)/2 = 90

When min_c = 10, then it is c² = 100 ≥ 90, so min_c = 10

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 15² - 10²

max_d = √454 - 49 - 225 - 100

max_d = √80

max_d = 8.9442719099992

Since max_d = 8.9442719099992 is not an integer, this is not a solution

c = 11

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 15² - 11²

max_d = √454 - 49 - 225 - 121

max_d = √59

max_d = 7.6811457478686

Since max_d = 7.6811457478686 is not an integer, this is not a solution

c = 12

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 15² - 12²

max_d = √454 - 49 - 225 - 144

max_d = √36

max_d = 6

Since max_d = 6, then (a, b, c, d) = (7, 15, 12, 6) is an integer solution proven below

7² + 15² + 12² + 6² → 49 + 225 + 144 + 36 = 454

c = 13

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 15² - 13²

max_d = √454 - 49 - 225 - 169

max_d = √11

max_d = 3.3166247903554

Since max_d = 3.3166247903554 is not an integer, this is not a solution

b = 16

Determine max_c =Floor(√n - a² - b²)

max_c = Floor(√454 - 7² - 16²)

max_c = Floor(√454 - 49 - 256)

max_c = Floor(√149)

max_c = Floor(12.206555615734)

max_c = 12

Step 5b. Obtain the first value of b such that b² ≥ (n - a²)/3

Call it min_b

Start with min_c = 0 and increase by 1

Go until (n - a² - b² )/2 → (454 - 7² - 16²)/2 = 74.5

When min_c = 9, then it is c² = 81 ≥ 74.5, so min_c = 9

c = 9

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 16² - 9²

max_d = √454 - 49 - 256 - 81

max_d = √68

max_d = 8.2462112512353

Since max_d = 8.2462112512353 is not an integer, this is not a solution

c = 10

See if d is an integer solution which is √n - a² - b²

max_d = √454 - 7² - 16² - 10²

max_d = √454 - 49 - 256 - 100

max_d = √49

max_d = 7

Since max_d = 7, then (a, b, c, d) = (7, 16, 10, 7) is an integer solution proven below

7² + 16² + 10² + 7² → 49 + 256 + 100 + 49 = 454

c = 11

See if d is an integer solution which is √n - a² - b²