id:A009095 - OEIS Search Results

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

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1, -1, -3, -117, -903, -111529, 687093, -320199453, 44530596081, -254346923089, 2006766293627373, 141849542553657147, 144420752722329270633, 17706925736601628695047, 16789499049770600380859877 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Tanh[ x ]/Cos[ x ] ] (* Even Part *)`
	CROSSREFS	`Adjacent sequences: A009092 A009093 A009094 this_sequence A009096 A009097 A009098` `Sequence in context: A065117 A132304 A097642 this_sequence A037117 A143781 A114077`
	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 October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research