A009218 - OEIS

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A009218

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

1, 1, 0, 1, -2, 6, -14, -20, 876, -12572, 157816, -1953324, 24704560, -323390144, 4399642248, -62212681544, 912281561296, -13817130664560, 214872589110016, -3401627908578992, 54093656991247776, -844240783639323104 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	MATHEMATICA	`Exp[ Sinh[ Log[ 1+x ] ] ]`
	CROSSREFS	`Sequence in context: A086666 A032383 A014775 * A071122 A173724 A101572` `Adjacent sequences: A009215 A009216 A009217 * A009219 A009220 A009221`
	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 03:45 EST 2012. Contains 205978 sequences.