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A009616
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Expansion of e.g.f.: sinh(tanh(x)*exp(x)).
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0
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0, 1, 2, 2, 8, 72, 272, 128, 1024, 51264, 275072, -1287680, -7871488, 206883328, 1471104000, -19670491136, -159374082048, 3293417492480, 29559475576832, -595302140223488, -5903345189421056, 137666774002696192
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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With[{nn=30}, CoefficientList[Series[Sinh[Tanh[x]*Exp[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Feb 11 2018 *)
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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EXTENSIONS
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Definition clarified and previous Mathematica program replaced by Harvey P. Dale, Feb 11 2018
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STATUS
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approved
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