Revision as of 19:56, 5 March 2010 edit 142.104.7.59 (talk) No edit summary ← Previous edit		Revision as of 18:48, 30 December 2010 edit undo Luckas-bot (talk \| contribs) 929,662 edits m r2.5.2) (robot Adding: it:Numero piramidale esagonale Next edit →
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Hexagonal pyramidal number: Difference between revisions