id:A092148 - OEIS Search Results

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Expansion of 1/(exp(x)-x*exp(2x)).

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1, 3, 11, 85, 739, 7831, 96641, 1363209, 21632759, 381433771, 7398080029, 156533563693, 3588046200179, 88571349871551, 2342565398442569, 66087436823953681, 1980956920420309231, 62871632567144951635 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`(n+1)! * Sum(k=0, n+1, (n-k)^k/k!).`
	PROGRAM	`(PARI) a(n)=if(n==0, 1, (n+1)!*sum(k=0, n+1, (n-k)^k/k!))`
	CROSSREFS	`Cf. A006153, A072597.` `Sequence in context: A062580 A097495 A157980 this_sequence A091547 A063854 A066384` `Adjacent sequences: A092145 A092146 A092147 this_sequence A092149 A092150 A092151`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Mar 31 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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