A009771 - OEIS

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A009771

Expansion of tanh(ln(1+sin(x))).

0, 1, -1, -1, 10, -29, -46, 1049, -5480, -6299, 367784, -2993101, -433520, 302131831, -3539197936, 4643279549, 477914976640, -7698953963639, 24464869564544, 1282442213912999, -27686771463968000, 150369505621009291 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	MATHEMATICA	`Tanh[ Log[ 1+Sin[ x ] ] ]`
	CROSSREFS	`Sequence in context: A102542 A098751 A143190 * A068197 A079273 A048469` `Adjacent sequences: A009768 A009769 A009770 * A009772 A009773 A009774`
	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 04:58 EST 2012. Contains 205985 sequences.