A009833 - OEIS

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A009833

Expansion of tanh(x)*sin(sin(x)).

0, 2, -16, 248, -6336, 242464, -13219328, 982066816, -95757641728, 11884764271104, -1830773338714112, 342819066285905920, -76695821135067430912, 20204454465377182490624, -6190555048037337840746496 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tanh[ x ]Sin[ Sin[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A012462 A012457 A138764 * A009044 A019318 A090727` `Adjacent sequences: A009830 A009831 A009832 * A009834 A009835 A009836`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 17 06:22 EST 2012. Contains 205992 sequences.