A009556 - OEIS

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A009556

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

1, 2, -24, 104, 5824, -385408, 15920256, -160063744, -67251703808, 9821117788160, -551206277726208, -106679023552528384, 37135946330613907456, -2111279822539107794944, -3285803845056084678279168 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ x ]/Cos[ Tanh[ x ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A145889 A121199 A009538 * A179824 A034310 A060817` `Adjacent sequences: A009553 A009554 A009555 * A009557 A009558 A009559`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 17 08:21 EST 2012. Contains 205998 sequences.