id:A081367 - OEIS Search Results

Search: id:A081367

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E.g.f.: exp(2x)/sqrt(1-2x).

+0
9

1, 3, 11, 53, 345, 2947, 31411, 400437, 5927921, 99816515, 1882741659, 39310397557, 899919305929, 22410922177347, 603120939234755, 17441737474345973, 539390080299331809, 17762381612118471043 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = Sum_{k = 0..n} A046716(n, k)*2^k . - DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Jun 12 2004`
	PROGRAM	`(PARI) a(n)=n!polcoeff(exp(2x)/sqrt(1-2*x)+O(x^(n+1)), n)`
	CROSSREFS	`Sequence in context: A005502 A000255 A121580 this_sequence A129093 A057325 A054700` `Adjacent sequences: A081364 A081365 A081366 this_sequence A081368 A081369 A081370`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 10 2003`

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

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