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A009598
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Expansion of e.g.f. sinh(sinh(x))*exp(x).
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1
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0, 1, 2, 5, 12, 37, 118, 457, 1816, 8169, 37354, 188685, 974372, 5497741, 31769182, 197920145, 1259350576, 8541537105, 59073098706, 432381471509, 3226127944764, 25340238127989, 202778723085382, 1699894200469849
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OFFSET
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0,3
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LINKS
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FORMULA
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E.g.f.: sinh(sinh(x))*exp(x).
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MATHEMATICA
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CoefficientList[Series[Sinh[Sinh[x]] * Exp[x], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Oct 18 2015 *)
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PROG
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(PARI) x='x+O('x^33); concat(0, Vec(serlaplace(sinh(sinh(x))*exp(x)))) \\ Michel Marcus, Oct 17 2015
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CROSSREFS
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KEYWORD
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nonn,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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