centered decagonal number (Q8767)

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Revision as of 21:42, 12 May 2023 by Fire (talk | contribs) (‎Created claim: defining formula (P333): C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^2-5n+1)

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subclass of centered polygonal number

Language	Label	Description	Also known as
English	centered decagonal number	subclass of centered polygonal number

Statements

centered polygonal number

10

centered nonagonal number

0 references

defining formula

C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^{2}-5n+1

0 references

Sitelinks

⧼wikibase-sitelinks-mywikigroup⧽(0 entries)

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