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A009803
Expansion of tanh(sinh(x))*exp(x).
0
0, 1, 2, 2, 0, -8, -32, 16, 640, 2304, 1024, -68352, -661504, -843776, 25305088, 221382656, 948699136, -9865887744, -216606572544, -888186732544, 10006005547008, 200433787207680, 2013855760777216, -8060855544971264
OFFSET
0,3
MATHEMATICA
Tanh[ Sinh[ x ] ]*Exp[ x ]
CROSSREFS
Sequence in context: A248948 A364288 A009187 * A009615 A184011 A079194
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved