Revision as of 05:20, 4 January 2007 edit Donald Hosek (talk \| contribs) 662 edits ←Created page with 'A hexagonal pyramidal number is a number formed by a adding the first few hexagonal numbers. The first few numbers are 1, 7, 22, 50, 95 and have the form <math>...'		Revision as of 07:42, 10 January 2007 edit undo Psiphiorg (talk \| contribs) Extended confirmed users 4,112 edits m stub, cleanup, cat needed Next edit →
Line 1: A hexagonal [[pyramidal number]] is a number formed by a adding the first few hexagonal numbers. The first few numbers are 1, 7, 22, 50, 95; ~~and~~these nubmers have the form <math>n(n+1)(4n-1)/6</math>. == References == [http://mathworld.wolfram.com/HexagonalPyramidalNumber.html Hexagonal pyramidal number at MathWorld] {{category needed}} {{cleanup}} {{stub}}

Hexagonal pyramidal number: Difference between revisions