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A009419
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Expansion of log(1+x)*exp(tan(x)).
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0
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0, 1, 1, 2, 8, 29, 141, 846, 4472, 39969, 218881, 2810290, 14610320, 280561709, 1153474973, 38655408078, 73062816912, 7216310776161, -11521981477983, 1796944146688834, -11006978325918280, 585629030872958429
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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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MATHEMATICA
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Log[ 1+x ]*Exp[ Tan[ x ] ]
CoefficientList[Series[E^Tan[x]*Log[1 + x], {x, 0, 20}], x] * Range[0, 20]! (* Vaclav Kotesovec, Jan 23 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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