Revision as of 06:15, 22 May 2013 edit Ancora Luciano (talk \| contribs) 318 edits →Geometrical derivation of the formula ← Previous edit		Revision as of 06:16, 22 May 2013 edit undo Ancora Luciano (talk \| contribs) 318 edits →Geometrical derivation of the formula Next edit →
Line 87: P<sub>n</sub> = n<sup>3</sup>/3+2n/3+(n<sup>2</sup>+n)/2-n P<sub>n</sub> = (2n<sup>3</sup>+3n<sup>2</sup>+n)/6 :--[[User:Ancora Luciano\|Ancora Luciano]] ([[User talk:Ancora Luciano\|talk]]) 06:15, 22 May 2013 (UTC)

Talk:Square pyramidal number: Difference between revisions