id:A009051 - OEIS Search Results

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Expansion of cos(sin(x)/cosh(x)).

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1, -1, 17, -457, 19777, -1305489, 122670033, -15462740633, 2502900454401, -504155298072609, 123438576028985873, -36064963500185608553, 12385279694301347665473, -4936243039568368083279793 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Sin[ x ]/Cosh[ x ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A023150 A012117 A122430 this_sequence A035276 A111920 A142368` `Adjacent sequences: A009048 A009049 A009050 this_sequence A009052 A009053 A009054`
	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 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research