id:A027882 - OEIS Search Results

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Sum_{k=1}^\infty k^n (2/3)^k.

+0
3

2, 6, 30, 222, 2190, 27006, 399630, 6899262, 136125390, 3021538686, 74520313230, 2021686771902, 59833117024590, 1918366107872766, 66237821635330830, 2450438532592334142, 96696400596369539790 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`Source` `C. G. Bower, Transforms` `Index entries for sequences related to necklaces`
	FORMULA	`Also "CIJ" (necklace, indistinct, labeled) transform of 2, 2, 2, 2...` `E.g.f.: -ln(3-2exp(x)). Sum_{k=1..n) 2^k(k-1)!*Stirling2(n, k). - Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 14 2003`
	CROSSREFS	`Cf. A000629.` `Cf. A032183.` `Sequence in context: A088160 A112317 A089459 this_sequence A106209 A003266 A097385` `Adjacent sequences: A027879 A027880 A027881 this_sequence A027883 A027884 A027885`
	KEYWORD	`nonn`
	AUTHOR	`Stephen J. Greenfield (greenfie(AT)math.rutgers.edu)`
	EXTENSIONS	`More terms from Christian G. Bower (bowerc(AT)usa.net)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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