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A009285 Expansion of exp(x).exp(tanh(x)). +0
1
1, 2, 4, 6, 0, -32, -24, 640, 2176, -16832, -138496, 521216, 10367616, -8750336, -942458368, -2101041920, 102567493632, 621205094400, -12985904205824, -148249466093568, 1832574587011072, 36650477053591552 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Exp[ x ]*Exp[ Tanh[ x ] ]

CROSSREFS

Sequence in context: A013670 A121206 A062004 this_sequence A013082 A125944 A077069

Adjacent sequences: A009282 A009283 A009284 this_sequence A009286 A009287 A009288

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


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