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A009615
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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, 0, -8, -32, 184, 1984, -5568, -118016, 231552, 8529920, -11751296, -754714880, 596164352, 79868821504, -4342886400, -9749056634880, -10035384119296, 1296267479826432, 3825733461393408, -165153529347768320
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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, Jul 30 2017 *)
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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 prior Mathematica program replaced by Harvey P. Dale, Jul 30 2017
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STATUS
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approved
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