id:A009563 - OEIS Search Results

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

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1, -4, 56, -1688, 84160, -6141312, 613282944, -80158806016, 13267800137728, -2710082835353600, 669033814167273472, -196220826200422416384, 67398310755666413387776, -26784943833122921085534208 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ x/Cosh[ x ] ] (* Odd Part *)`
	CROSSREFS	`Adjacent sequences: A009560 A009561 A009562 this_sequence A009564 A009565 A009566` `Sequence in context: A009536 A009558 A113583 this_sequence A111849 A009159 A013055`
	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 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research