A009615 - OEIS

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A009615

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

0, 1, 2, 2, 0, -8, -32, 184, 1984, -5568, -118016, 231552, 8529920, -11751296, -754714880, 596164352, 79868821504, -4342886400, -9749056634880, -10035384119296, 1296267479826432, 3825733461393408, -165153529347768320 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Sinh[ Tanh[ x ] ]*Exp[ x ]`
	CROSSREFS	`Sequence in context: A137456 A009187 A009803 * A184011 A079194 A179198` `Adjacent sequences: A009612 A009613 A009614 * A009616 A009617 A009618`
	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 17 06:27 EST 2012. Contains 205998 sequences.