id:A009227 - OEIS Search Results

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Expansion of exp(sinh(x))/exp(x).

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1, 0, 0, 1, 0, 1, 10, 1, 56, 281, 246, 4621, 16412, 53197, 564642, 1937937, 13309648, 100397649, 454215214, 4082253589, 26498068420, 174791970677, 1575851086778, 10628056916313, 91523101970104, 788580099169337 (list; graph; listen)

	OFFSET	`0,7`
	COMMENT	`Number of partitions of n-set in which block sizes are odd and greater than 1. - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 23 2007`
	MATHEMATICA	`Exp[ Sinh[ x ] ]/Exp[ x ]`
	CROSSREFS	`Sequence in context: A050304 A143471 A009209 this_sequence A030526 A164881 A165293` `Adjacent sequences: A009224 A009225 A009226 this_sequence A009228 A009229 A009230`
	KEYWORD	`nonn,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified March 14 16:07 EDT 2010. Contains 173425 sequences.

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