A009151 - OEIS

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A009151

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

1, 0, 1, -3, 16, -100, 736, -6216, 59284, -630288, 7391836, -94796020, 1319653336, -19816887168, 319274039176, -5492805409560, 100490908021456, -1947909828835456, 39875223857927824, -859529863811898288 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Cosh[ Sinh[ Log[ 1+x ] ] ]`
	CROSSREFS	`Sequence in context: A193037 A091641 A137572 * A009007 A000949 A091637` `Adjacent sequences: A009148 A009149 A009150 * A009152 A009153 A009154`
	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 14 05:41 EST 2012. Contains 205570 sequences.