A009772 - OEIS

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A009772

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

0, 1, -1, 1, 2, -29, 194, -1049, 4472, -6299, -171736, 2993101, -34111408, 302131831, -1763868016, -4643279549, 370023946112, -7698953963639, 115221639807104, -1282442213912999, 6786946897932032, 150369505621009291 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	MATHEMATICA	`Tanh[ Log[ 1+Sinh[ x ] ] ]`
	CROSSREFS	`Sequence in context: A028883 A024200 A132412 * A179024 A179025 A020460` `Adjacent sequences: A009769 A009770 A009771 * A009773 A009774 A009775`
	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 15 17:13 EST 2012. Contains 205828 sequences.