10thheptagonalnumber

<-- Enter heptagonal number statement
  

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Calculate heptagonal number 10

The formula for heptagonal number n is as follows

Hn  =	n(5n - 3)
	2

Given n = 10, we have:

H10  =	10(5(10) - 3)
	2

H10  =	10(50 - 3)
	2

H10  =	10(47)
	2

H10  =	470
	2

H₁₀ = 235

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