Revision as of 02:21, 12 October 2009 edit 75.4.229.226 (talk) f4f4r ← Previous edit		Revision as of 10:57, 12 October 2009 edit undo PrimeHunter (talk \| contribs) Administrators 80,566 edits m Reverted edits by 75.4.229.226 (talk) to last version by PrimeHunter Next edit →
Line 1: A '''hexagonal [[pyramidal number]]''' is a number formed by adding the first few hexagonal numbers. The first few numbers are: ~~4t3tq4t4tq452~~:1, 7, 22, 50, 95, 161, 252, 372, 525, 715, 946, 1222, 1547, 1925 {{OEIS\|id=A002412}} The numbers have the form:

Hexagonal pyramidal number: Difference between revisions