A009611 - OEIS

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A009611

Expansion of sinh(tan(x).x).

0, 2, 8, 216, 8896, 553120, 48069504, 5564225408, 827281160192, 153537251480064, 34761966006691840, 9422306473314752512, 3010196845995598430208, 1118714469509146379657216 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Sinh[ Tan[ x ]x ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A012297 A000893 A030177 * A015176 A013345 A013343` `Adjacent sequences: A009608 A009609 A009610 * A009612 A009613 A009614`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.