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A009395
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Expansion of e.g.f.: log(1 + tanh(x)*exp(x)).
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1
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0, 1, 1, -3, -2, 45, -74, -1113, 7288, 27465, -647894, 1393227, 59935228, -604628115, -4418438114, 143982353967, -381525392432, -30072901507695, 405576151229266, 4636550476777107, -187783513074129692, 514355533864732725
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OFFSET
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0,4
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LINKS
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FORMULA
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E.g.f.: log(1 + tanh(x)*exp(x)).
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MAPLE
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egf:= log(1+tanh(x)*exp(x)):
S:= series(egf, x, 61):
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MATHEMATICA
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Range[0, 25]! CoefficientList[Series[Log[1 + Tanh[x] Exp[x]], {x, 0, 25}], x] (* Vincenzo Librandi, Aug 04 2015 *)
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PROG
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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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STATUS
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approved
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