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A009171 Expansion of cosh(tanh(x)*exp(x)). 0
1, 0, 1, 6, 17, 20, 97, 1498, 7009, -8952, -44991, 2641870, 16678257, -147810468, -1072851167, 22562632802, 182236444097, -3111217127536, -28067216775039, 608465230881302, 6014702853818321, -136728540813908444 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
MATHEMATICA
Cosh[ Tanh[ x ]*Exp[ x ] ]
CROSSREFS
Sequence in context: A019296 A035484 A277684 * A012417 A184549 A166025
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved

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Last modified June 25 10:55 EDT 2024. Contains 373701 sequences. (Running on oeis4.)