id:A002793 - OEIS Search Results

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a(n)=2n*a(n-1)-(n-1)^2*a(n-2).
(Formerly M3567 N1446)

+0
2

0, 1, 4, 20, 124, 920, 7940, 78040, 859580, 10477880, 139931620, 2030707640, 31805257340, 534514790680, 9591325648580, 182974870484120, 3697147584561340, 78861451031150840 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`J. Ser, Les Calculs Formels des S\'{e}ries de Factorielles. Gauthier-Villars, Paris, 1933, p. 78.`
	CROSSREFS	`Bisection of A056952.` `Sequence in context: A121553 A067116 A067121 this_sequence A135886 A007550 A080795` `Adjacent sequences: A002790 A002791 A002792 this_sequence A002794 A002795 A002796`
	KEYWORD	`nonn`
	AUTHOR	`njas, Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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