id:A024284 - OEIS Search Results

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

+0
1

0, 1, -8, 144, -4960, 270592, -21137408, 2224725888, -302627860480, 51593676611584, -10764002330353664, 2695943436451381248, -797890777835475828736, 275364493447731494551552 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Sin[ x ]Sin[ Tanh[ x ] ]/2 ( Even Part *)`
	CROSSREFS	`A009549.` `Sequence in context: A067421 A124059 A052764 this_sequence A024285 A111687 A071305` `Adjacent sequences: A024281 A024282 A024283 this_sequence A024285 A024286 A024287`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

AT&T Labs Research