(Q18450907)

Statements

instance of

type of integer

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subclass of

polygonal number

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follows

pentadecagonal number

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followed by

heptadecagonal number

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defining formula

${\displaystyle {\frac {14n^{2}-12n}{2}}}$

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${\displaystyle 6}$

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maintained by WikiProject

WikiProject Mathematics

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Identifiers