id:A009517 - OEIS Search Results

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

+0
2

1, -2, 32, -688, 29952, -1922560, 160364544, -19815696384, 2743045259264, -538516252917760, 112957538226929664, -31810392390007521280, 9466977656209217159168, -3592556624975295837896704 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ Tan[ x ]/Cosh[ x ] ] (* Odd Part *)`
	CROSSREFS	`Adjacent sequences: A009514 A009515 A009516 this_sequence A009518 A009519 A009520` `Sequence in context: A092844 A038394 A068110 this_sequence A069182 A012233 A012119`
	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 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research