id:A115625 - OEIS Search Results

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Number of partitions of {1,...,n} into block sizes a power of 2.

+0
3

1, 1, 2, 4, 11, 31, 106, 372, 1500, 6220, 28696, 136016, 702802, 3727946, 21253324, 124231096, 772458367, 4918962479, 33061095118, 227303570524, 1639389365201, 12082068856285, 92951844299150, 729991789222972, 5960617085224012 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`E.g.f.: exp(x+x^2/2+x^4/4!+x^8/8!+x^16/16!+...).`
	CROSSREFS	`Cf. A018819, A115626.` `Sequence in context: A073191 A004251 A110140 this_sequence A056323 A081557 A063254` `Adjacent sequences: A115622 A115623 A115624 this_sequence A115626 A115627 A115628`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 26 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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