id:A009069 - OEIS Search Results

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Expansion of cos(tan(tanh(x))).

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1, -1, 1, 47, -1343, 8671, 2436545, -249528945, 10176663169, 1606374108095, -482969577637247, 59264468409177327, 4209524591120115521, -4541227341778149686881, 1235175100383899185304129 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Cos[ Tan[ Tanh[ x ] ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A010963 A010999 A047911 this_sequence A142845 A014941 A049668` `Adjacent sequences: A009066 A009067 A009068 this_sequence A009070 A009071 A009072`
	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 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research