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

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1, 0, -8, -216, -7552, -349568, -20281216, -1350879232, -84211707904, 286327484416, 2529465981566976, 1100934401707376640, 421697958276604264448, 165461414536859529248768, 69271409331127446269067264 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Tan[ x ] ]/Cos[ x ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A007409 A069045 A123057 this_sequence A002897 A024289 A009106` `Adjacent sequences: A009069 A009070 A009071 this_sequence A009073 A009074 A009075`
	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