A009716 - OEIS

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A009716

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

0, 1, 2, 3, 4, -3, -42, -49, 456, 2905, 10154, -83589, -1263668, -334059, 74121726, 351159815, -1582556016, -39776495567, -396499390126, 2339943411315, 87145255604884, 181395497796525, -10528569148387290, -87834301596283969 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Tanh[ x ] ]*Exp[ x ]`
	CROSSREFS	`Sequence in context: A198461 A102086 A009184 * A009590 A009492 A009810` `Adjacent sequences: A009713 A009714 A009715 * A009717 A009718 A009719`
	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 12:38 EST 2012. Contains 206021 sequences.