A009660 - OEIS

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A009660

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

1, -1, -7, 447, -19471, 612127, 37384233, -15027743521, 3099354722529, -493631745542209, 34013990822822489, 22054949830590352511, -16492842082602835130159, 7774163613641172354365407 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Sin[ Tanh[ x ] ]] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A099742 A027876 A158599 * A024097 A203060 A196540` `Adjacent sequences: A009657 A009658 A009659 * A009661 A009662 A009663`
	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 14 23:16 EST 2012. Contains 205687 sequences.