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A009029 Expansion of cos(ln(1+x)*cosh(x)). +0
1
1, 0, -1, 3, -22, 100, -580, 3150, -16868, 80568, -141500, -4254580, 105666112, -1880236800, 31074394312, -508890083520, 8476622031888, -145412857677888, 2584745973422384, -47756915743199760, 918437313488897760 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Cos[ Log[ 1+x ]*Cosh[ x ] ]

CROSSREFS

Adjacent sequences: A009026 A009027 A009028 this_sequence A009030 A009031 A009032

Sequence in context: A135836 A004305 A095663 this_sequence A009032 A061182 A143552

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 6 16:13 EDT 2008. Contains 144667 sequences.


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