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1stnonagonalnumber
<-- Enter nonagonal number statement
Calculate nonagonal number 1
The formula for nonagonal number n is as follows
N
n
=
n(7n - 5)
2
Given n = 1, we have:
N
1
=
1(7(1) - 5)
2
N
1
=
1(7 - 5)
2
N
1
=
1(2)
2
N
1
=
2
2
N
1
=
1
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