id:A163650 - OEIS Search Results

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Subswing - the inverse binomial transform of the swinging factorial (A056040).

+0
8

1, 0, 1, 2, -9, 44, -165, 594, -2037, 6824, -22437, 72830, -234047, 746316, -2364947, 7455798, -23405085, 73207728, -228275949, 709906518, -2202557691, 6819616020, -21076580511, 65032888998, -200369138571, 616531573224 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`Analog to the subfactorial A000166.`
	LINKS	`Peter Luschny, Swinging Factorial.`
	MAPLE	`a := proc(n) local k: add((-1)^(n-k)binomial(n, k)(k!/iquo(k, 2)!^2), k=0..n) end:`
	CROSSREFS	`Row sums of A163649. Cf. A056040, A000166.` `Sequence in context: A006795 A055824 A020113 this_sequence A013981 A162356 A026302` `Adjacent sequences: A163647 A163648 A163649 this_sequence A163651 A163652 A163653`
	KEYWORD	`sign`
	AUTHOR	`Peter Luschny (peter(AT)luschny.de), Aug 02 2009`

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

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