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A009357
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Expansion of log(1+sinh(x)*cos(x)).
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1
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0, 1, -1, 0, 2, -20, 104, -560, 2512, -7920, -32896, 1034880, -14979328, 172569280, -1684304896, 12339608320, -15173408768, -1902800305920, 53242752303104, -1037015219466240, 16518488951816192, -208832669083243520
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OFFSET
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0,5
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LINKS
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MATHEMATICA
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Log[ 1+Sinh[ x ]*Cos[ x ] ]
CoefficientList[Series[Log[1 + Cos[x]*Sinh[x]], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Jan 24 2015 *)
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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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