id:A103213 - OEIS Search Results

Search: id:A103213

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n! * Sum[k=1..n, C(n,k)/k ].

+0
2

1, 5, 29, 206, 1774, 18204, 218868, 3036144, 47928816, 850514400, 16783812000, 364865040000, 8666747625600, 223351748524800, 6206847295622400, 185007996436838400, 5887506932836300800, 199216094254423142400 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`E.g.f.: ln((1-2x)/(1-x))/(x-1). a(n) = n! Sum[k=1..n, (2^k-1)/k ]. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Jan 29 2005`
	CROSSREFS	`Sequence in context: A108453 A004213 A105277 this_sequence A057588 A030522 A091124` `Adjacent sequences: A103210 A103211 A103212 this_sequence A103214 A103215 A103216`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Jan 28 2005`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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