centered decagonal number (Q8767): Difference between revisions

Revision as of 21:42, 12 May 2023

subclass of centered polygonal number

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

10

0 references

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

0 references

Revision as of 21:41, 12 May 2023 Fire (talk \| contribs) Bureaucrats, Interface administrators, Administrators 132,236 edits ‎Created claim: instance of (P2): centered polygonal number (Q8768) ← Older edit	Revision as of 21:42, 12 May 2023 Fire (talk \| contribs) Bureaucrats, Interface administrators, Administrators 132,236 edits ‎Created claim: defining formula (P333): C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^2-5n+1 Newer edit →
	Property / defining formula
		$C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^{2}-5n+1$ `C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^2-5n+1`
	Property / defining formula: $C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^{2}-5n+1$ / rank
		Normal rank