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Search: id:A009121
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A009121 Expansion of cosh(exp(x).x). +0
1
1, 0, 1, 6, 25, 100, 481, 2954, 20721, 151848, 1146721, 9111982, 77652169, 710421452, 6891125697, 69961213170, 738718169569, 8108554524112, 92647353941569, 1101958783026134, 13616813607795321, 174287243264606388 (list; graph; listen)
OFFSET

0,4

MATHEMATICA

Cosh[ Exp[ x ]*x ]

CROSSREFS

Sequence in context: A092184 A034559 A034347 this_sequence A037537 A037481 A029871

Adjacent sequences: A009118 A009119 A009120 this_sequence A009122 A009123 A009124

KEYWORD

nonn,easy

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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Last modified July 4 01:34 EDT 2008. Contains 140787 sequences.


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