A009632 - OEIS

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A009632

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

0, 1, 0, -2, 12, -39, 60, 400, -4872, 29449, -75240, -792054, 14470500, -126336287, 451892532, 6486922156, -158017858320, 1804082178225, -8296746885072, -150859861660106, 4593579141365820, -64784591020059959 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Sinh[ x ]/Cosh[ Log[ 1+x ] ]`
	CROSSREFS	`Sequence in context: A000913 A026575 A048349 * A190022 A086602 A019006` `Adjacent sequences: A009629 A009630 A009631 * A009633 A009634 A009635`
	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 15 09:15 EST 2012. Contains 205753 sequences.