A009582 - OEIS

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A009582

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

0, 1, -1, 6, -18, 135, -795, 7266, -62188, 669309, -7267005, 90797894, -1179693966, 16915574299, -254880171455, 4143992814482, -70922672184120, 1292106133397017, -24733436584847481, 499532815860896038 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Sinh[ Log[ 1+x ]/Cos[ x ] ]`
	CROSSREFS	`Sequence in context: A117813 A012758 A003496 * A091054 A012774 A027744` `Adjacent sequences: A009579 A009580 A009581 * A009583 A009584 A009585`
	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 16 17:48 EST 2012. Contains 205939 sequences.