A009583 - OEIS

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A009583

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

0, 1, -1, 0, -6, 35, -75, 784, -10052, 61221, -392445, 6267976, -85062714, 868090431, -10957052015, 185215163288, -2957955829800, 45586843784873, -803382792009849, 15611619063139568, -304944064099178510 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	MATHEMATICA	`Sinh[ Log[ 1+x ]/Cosh[ x ] ]`
	CROSSREFS	`Sequence in context: A145000 A046025 A198327 * A033578 A101077 A094952` `Adjacent sequences: A009580 A009581 A009582 * A009584 A009585 A009586`
	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 06:25 EST 2012. Contains 205995 sequences.