enneadecagonal number (Q18454866)

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figurate number

• nonadecagonal number
• 19-gonal number

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Language	Label	Description	Also known as
English	enneadecagonal number	figurate number	nonadecagonal number 19-gonal number

Statements

instance of

type of integer

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subclass of

polygonal number

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follows

octadecagonal number

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followed by

icosagonal number

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defining formula

${\displaystyle {\frac {17n^{2}-15n}{2}}}$

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

Google Knowledge Graph ID

/g/1yp37my7k

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OEIS ID

A051871

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Sitelinks

Wikipedia(3 entries)

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• emlwiki Nùmer enadecagonèl
• huwiki Tizenkilencszögszámok
• svwiki Nonadekagontal

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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