A009053 - OEIS

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A009053

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

1, 0, -1, 3, -14, 80, -526, 3906, -32192, 290016, -2816056, 29050120, -313052024, 3442154352, -37060529416, 353733158520, -1866295941824, -42066299646976, 2247562825065152, -73960387213018176, 2159580310527713536 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Cos[ Sinh[ Log[ 1+x ] ] ]`
	CROSSREFS	`Sequence in context: A121873 A107596 A000264 * A202474 A077054 A205580` `Adjacent sequences: A009050 A009051 A009052 * A009054 A009055 A009056`
	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 23:16 EST 2012. Contains 205687 sequences.