id:A009687 - OEIS Search Results

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Expansion of sinh(sin(x))*sin(x)/2.

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1, 116, 221776, 2035313216, 57114906593536, 3831406959743783936, 525282700343846052745216, 132012923141044737907744587776, 56143990156951992731353775556591616 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Sinh[ x ]Sin[ x ] ]/2 ( [ x^(4n+2) ] *)`
	CROSSREFS	`A024347.` `Adjacent sequences: A009684 A009685 A009686 this_sequence A009688 A009689 A009690` `Sequence in context: A076044 A035814 A009617 this_sequence A050660 A023682 A084344`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended and signs tested 03/97.`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research