octadecagonal number (Q18452301)

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figurate number

• 18-gonal number

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Language	Label	Description	Also known as
English	octadecagonal number	figurate number	18-gonal number

Statements

instance of

type of integer

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subclass of

polygonal number

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follows

heptadecagonal number

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followed by

enneadecagonal number

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defining formula

${\displaystyle {\frac {16n^{2}-14n}{2}}}$

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

OEIS ID

A051870

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Sitelinks

Wikipedia(3 entries)

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• emlwiki Nùmer otadecagonèl
• huwiki Tizennyolcszögszámok
• svwiki Oktodekagontal

Wikibooks(0 entries)

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Wikinews(0 entries)

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Wikiquote(0 entries)

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Wikisource(0 entries)

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Wikiversity(0 entries)

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Wikivoyage(0 entries)

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Wiktionary(0 entries)

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Multilingual sites(0 entries)

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