id:A009178 - OEIS Search Results

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Expansion of cosh(x)*cosh(ln(1+x)).

+0
1

1, 0, 2, -3, 19, -90, 556, -3885, 31109, -279972, 2799766, -30797415, 369569047, -4804397598, 67261566464, -1008923496945, 16142775951241, -274427191171080, 4939689441079594, -93854099380512267, 1877081987610245531 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cosh[ x ]*Cosh[ Log[ 1+x ] ]`
	CROSSREFS	`Adjacent sequences: A009175 A009176 A009177 this_sequence A009179 A009180 A009181` `Sequence in context: A051089 A128968 A143893 this_sequence A141508 A119344 A072877`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research