A009674 - OEIS

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A009674

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

1, -2, -28, 1160, -3504, -3908896, 360691008, 14544047232, -11198480094976, 1531305962216960, 340347851378082816, -234547726326061201408, 32383387692585279868928, 30186184832886791121723392 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Sin[ x ]/Cosh[ x ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A026944 A113633 A186491 * A143598 A071220 A063794` `Adjacent sequences: A009671 A009672 A009673 * A009675 A009676 A009677`
	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 10:57 EST 2012. Contains 206009 sequences.