centered decagonal number (Q8767): Difference between revisions

Latest revision as of 21:44, 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

n\geq {1},n\in \mathbb {N}

0 references

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 ← Older edit	Latest revision as of 21:44, 12 May 2023 Fire (talk \| contribs) Bureaucrats, Interface administrators, Administrators 132,236 edits ‎Changed claim: defining formula (P333): C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^2-5n+1
	Property / defining formula: $C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^{2}-5n+1$ / qualifier
		in defining formula: $n\geq {1},n\in \mathbb {N}$ `n\geq {1},n\in \mathbb {N}`
	Property / defining formula: $C_{k,n}={\frac {k}{2}}n(n-1)+1=5n^{2}-5n+1$ / qualifier
		criterion used: centered polygonal number