Talk:Polygonal number

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More wikilinks and references would help: needs to be more connected with other parts of wikipedia. Two of the current references are actually external links. Geometry guy 20:40, 31 May 2007 (UTC)

I think that the correct formula for Polygonal Numbers is p(a,s)=[(a-2)s-(a-4)]s/2 where 'a' represent the number of angles and 's' the length of the sides of a regular polygon.

In the Wikipedia's text it seems that there is a mistake in it. Check it!

Raul Nunes - (raulnunes@threebirds.com)

Looks like you're right — the formula as stated for s-polygonal numbers doesn't match up with the formulas given for specific cases. I've corrected it. Factitious 11:50, Nov 15, 2004 (UTC)

[edit] The correct formula for Polygonal Numbers

OK! It seems all-correct now! Raul Nunes (raulnunes@threebirds.com.br)

[edit] I have added some links to a video Podcast and they were remove

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