pyramidal number (Q8775)

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figurate number

Language	Label	Description	Also known as
English	pyramidal number	figurate number

Statements

integer sequence

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figurate number

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defining formula

P_{n}^{r}={\frac {3n^{2}+n^{3}(r-2)-n(r-5)}{6}}

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Sitelinks

⧼wikibase-sitelinks-mywikigroup⧽(0 entries)

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