id:A117665 - OEIS Search Results

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n times the n-th n-gonal number.

+0
1

0, 2, 6, 24, 80, 210, 462, 896, 1584, 2610, 4070, 6072, 8736, 12194, 16590, 22080, 28832, 37026, 46854, 58520, 72240, 88242, 106766, 128064, 152400, 180050, 211302, 246456, 285824, 329730, 378510, 432512, 492096, 557634, 629510, 708120, 793872 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = n((n(n-2)^2+n^2)/2)`
	CROSSREFS	`Cf. A060354.` `Sequence in context: A087645 A107761 A002526 this_sequence A068777 A095110 A002742` `Adjacent sequences: A117662 A117663 A117664 this_sequence A117666 A117667 A117668`
	KEYWORD	`nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), Apr 11 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research