id:A102064 - OEIS Search Results

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A102064

Numerators of e.g.f.: -cot(atanh(x)).

+0
2

2, 4, 1040, 4640, 331520, 178470400, 24593254400, 666964480000, 66553013755904000, 4091041782710272000, 5311565147410595840000, 211592629697932820480000, 121215491006931795968000000 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`cot(atanh(x)) = 1/x - 2/3x - 4/3x^3/3! - 1040/63*x^5/5! -...`
	CROSSREFS	`Denominators are in A102065.` `Sequence in context: A122808 A009562 A045647 this_sequence A085638 A134718 A048829` `Adjacent sequences: A102061 A102062 A102063 this_sequence A102065 A102066 A102067`
	KEYWORD	`nonn,frac`
	AUTHOR	`Ralf Stephan, Dec 28 2004`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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