id:A103768 - OEIS Search Results

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(29*3^n - 18(n + 3)*2^n + 6n^2 + 24n + 27)/12.

+0
2

0, 0, 6, 46, 228, 930, 3406, 11682, 38412, 122806, 385182, 1192254, 3656452, 11141178, 33791934, 102161962, 308156748, 928008846, 2791497262, 8390220006, 25203689700, 75680274610, 227185526766, 681858569586, 2046204853708 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = A078341(n, 3) = 3a(n-1)+n*A095151(n-1)`
	CROSSREFS	`Sequence in context: A086721 A043076 A079910 this_sequence A073507 A084772 A111531` `Adjacent sequences: A103765 A103766 A103767 this_sequence A103769 A103770 A103771`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Feb 15 2005`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research