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Search: id:A009134
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A009134 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

Adjacent sequences: A009131 A009132 A009133 this_sequence A009135 A009136 A009137

Sequence in context: A139031 A065692 A127520 this_sequence A009137 A001089 A069515

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.


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