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A009726 Expansion of tan(x)*cos(log(1+x)). 0

%I

%S 0,1,0,-1,12,-54,360,-2094,15568,-113516,979200,-8587668,84989520,

%T -863430840,9562970144,-108058865368,1285366485120,-15130564865136,

%U 174638241040896,-1701739763904144,7392841627579840,326394843481495456

%N Expansion of tan(x)*cos(log(1+x)).

%t Tan[ x ]*Cos[ Log[ 1+x ] ]

%t CoefficientList[Series[Cos[Log[1 + x]]*Tan[x], {x, 0, 20}], x] * Range[0, 20]! (* _Vaclav Kotesovec_, Jan 24 2015 *)

%K sign,easy

%O 0,5

%A _R. H. Hardin_

%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997

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Last modified February 22 15:46 EST 2019. Contains 320399 sequences. (Running on oeis4.)