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A009459
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Expansion of sin(log(1+x))/cos(x).
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0
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0, 1, -1, 4, -6, 25, 15, -338, 6972, -70891, 859275, -9640864, 120888174, -1541505979, 21347932515, -308351466590, 4764530724600, -77278806586295, 1328450775136695, -23972129893393796, 455516697937247010
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OFFSET
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0,4
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LINKS
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MATHEMATICA
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Sin[ Log[ 1+x ] ]/Cos[ x ]
CoefficientList[Series[Sec[x]*Sin[Log[1 + 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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