id:A151675 - OEIS Search Results

Search: id:A151675

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Row sums of A154685.

+0
2

8, 27, 63, 122, 210, 333, 497, 708, 972, 1295, 1683, 2142, 2678, 3297, 4005, 4808, 5712, 6723, 7847, 9090, 10458, 11957, 13593, 15372, 17300, 19383, 21627, 24038, 26622, 29385, 32333, 35472, 38808, 42347, 46095, 50058, 54242, 58653, 63297 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=n(2n^2+5n+9)/2 = 4a(n-1)-6a(n-2)+4a(n-3)-a(n-4). G.f.: x(8-5x+3*x^2)/(x-1)^4. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 31 2009]`
	CROSSREFS	`Sequence in context: A122013 A131620 A141227 this_sequence A062686 A093322 A017670` `Adjacent sequences: A151672 A151673 A151674 this_sequence A151676 A151677 A151678`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 31 2009`
	EXTENSIONS	`Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 31 2009`

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.

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