heptagonal pyramidal number (Q8774)

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pyramidal number

Language	Label	Description	Also known as
English	heptagonal pyramidal number	pyramidal number

Statements

pyramidal number

hexagonal pyramidal number

7

0 references

defining formula

{\frac {n(n+1)(5n-2)}{6}}

0 references

Sitelinks

⧼wikibase-sitelinks-mywikigroup⧽(0 entries)

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