id:A009558 - OEIS Search Results

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

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1, -4, 56, -1576, 74944, -5428864, 556999808, -76901598208, 13750425100288, -3091282934198272, 853453694386847744, -283870980665283248128, 111959859759125683142656, -51664166661084786641993728 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ x ]/Cosh[ Sin[ x ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A009058 A061924 A009536 this_sequence A113583 A009563 A111849` `Adjacent sequences: A009555 A009556 A009557 this_sequence A009559 A009560 A009561`
	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 August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research