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Talk:Centered polygonal number

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Karl, it's very nice to have this article. But the changes you made to the linked articles seemed very wrong to me for some reason:

A centered k-agonal number is a figurate number that represents a k-agon ...

So I changed them to

A centered k-agonal number is a centered figurate number that represents a k-agon ...

Anton Mravcek 21:13, 27 Jul 2004 (UTC)


Anton, I agree with your changes. Further thought, suggests that Centred number should be moved to Centred polygonal number like Polygonal number.

User:Karl Palmen 12:15 28 Jul 2004 (UTC)

Proposed merger

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The following Wikimedia Commons files used on this page have been nominated for deletion:

Participate in the deletion discussions at the nomination pages linked above. —Community Tech bot (talk) 22:21, 9 June 2019 (UTC)[reply]


"The difference of the n-th and the (n+1)-th consecutive centered k-gonal numbers is k(2n+1)." Is unclear. When I solve the the difference between (n+1)-th centered k-gonal number and n-th centered k-gonal number I get k(2n). More generally, if you solve for difference of (n+p)-th centered k-gonal number and n-th k-gonal number you get . Returning to , I'm assuming you can simply say that and , which is satisfied by p=2, not p=1. Is the original phrase supposed to mean the difference in or something else entirely? Hiruki8 (talk) 22:07, 12 January 2024 (UTC)[reply]