A009259 - OEIS

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A009259

Expansion of exp(tanh(sinh(x))).

1, 1, 1, 0, -3, -12, -27, 80, 1081, 4368, -3831, -194048, -1567563, -3700928, 73024877, 1030112512, 4980721009, -37188370176, -1015258860783, -9180483559424, 13245921859181, 1551617290925056, 20750351796802549, 57029184668422144 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	MATHEMATICA	`Exp[ Tanh[ Sinh[ x ] ] ]`
	CROSSREFS	`Sequence in context: A018230 A058034 A187273 * A183503 A133647 A009222` `Adjacent sequences: A009256 A009257 A009258 * A009260 A009261 A009262`
	KEYWORD	`sign,easy`
	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 14 11:36 EST 2012. Contains 205623 sequences.