id:A009152 - OEIS Search Results

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Expansion of cosh(sinh(x))/exp(x).

+0
1

1, -1, 2, -4, 12, -36, 128, -456, 1872, -7888, 37600, -184064, 990784, -5444544, 32333824, -195982208, 1272660224, -8441139456, 59527313920, -428299217920, 3252626013184, -25165446157312, 204354574172160, -1689266143553536 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cosh[ Sinh[ x ] ]/Exp[ x ]`
	CROSSREFS	`Sequence in context: A148209 A148210 A148211 this_sequence A081443 A086647 A062161` `Adjacent sequences: A009149 A009150 A009151 this_sequence A009153 A009154 A009155`
	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 November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research