id:A009549 - OEIS Search Results

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

+0
2

0, 2, -16, 288, -9920, 541184, -42274816, 4449451776, -605255720960, 103187353223168, -21528004660707328, 5391886872902762496, -1595781555670951657472, 550728986895462989103104 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ x ]Sin[ Tanh[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A123744 A136796 A055546 this_sequence A009795 A112722 A009250` `Adjacent sequences: A009546 A009547 A009548 this_sequence A009550 A009551 A009552`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified July 26 23:15 EDT 2008. Contains 142293 sequences.

AT&T Labs Research