id:A009134 - OEIS Search Results

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

+0
1

1, 0, 1, -3, 24, -120, 870, -6300, 55048, -527688, 5684640, -66667920, 850501608, -11675938560, 171892670040, -2700017534760, 45091783981312, -797817318871552, 14909393380875840, -293452734825051264 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Cosh[ Log[ 1+x ]*Cosh[ x ] ]`
	CROSSREFS	`Sequence in context: A065692 A127520 A151883 this_sequence A009137 A001089 A069515` `Adjacent sequences: A009131 A009132 A009133 this_sequence A009135 A009136 A009137`
	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 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research