id:A089005 - OEIS Search Results

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Number of partitions of n-set with at least one even block.

+0
1

0, 1, 3, 10, 40, 166, 749, 3683, 19275, 107806, 640970, 4024912, 26653653, 185401581, 1350624721, 10282222002, 81592209580, 673535269054, 5773214891137, 51291776763863 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`E.g.f.: exp(sinh(x))*(exp(cosh(x)-1)-1).`
	CROSSREFS	`Cf. A000110, A005046, A003724, A059838, A047967.` `Sequence in context: A149054 A149055 A093639 this_sequence A088300 A151074 A151075` `Adjacent sequences: A089002 A089003 A089004 this_sequence A089006 A089007 A089008`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 02 2003`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research