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arctan(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4-160/6!*x^6-11072/8!*x^8...
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%I #7 Nov 21 2013 12:46:01

%S 2,8,-160,-11072,59008,103467520,9545313024,-2353856581632,

%T -975598930427904,37877907269697536,166837459499821137920,

%U 45962446989093848219648,-37193338901666118751944704

%N arctan(sinh(x)*arcsin(x))=2/2!*x^2+8/4!*x^4-160/6!*x^6-11072/8!*x^8...

%t With[{nn=30},Take[Rest[CoefficientList[Series[ArcTan[Sinh[x]ArcSin[x]], {x,0,nn}],x]Range[0,nn]!],{2,-1,2}]] (* _Harvey P. Dale_, Nov 29 2011 *)

%K sign

%O 0,1

%A Patrick Demichel (patrick.demichel(AT)hp.com)