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%I #18 Jun 23 2015 21:38:32
%S 0,1,-1,-1,0,-31,75,-953,3976,-41631,255375,-2595825,21904344,
%T -229744191,2548875147,-28954555113,403320390960,-5182050779583,
%U 86114063275263,-1283638256263905,24297343149251280,-420632032451656671
%N Expansion of log(1+x)*cos(tan(x)).
%F a(n) ~ (n-1)! * (-1)^(n+1) * cos(tan(1)). - _Vaclav Kotesovec_, Jan 24 2015
%t With[{nn=30},CoefficientList[Series[Log[1+x]Cos[Tan[x]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Mar 11 2012 *)
%K sign,easy
%O 0,6
%A _R. H. Hardin_
%E Extended with signs by _Olivier Gérard_, Mar 15 1997
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