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%I #6 Mar 23 2023 10:25:34
%S 1,-4,-8,26,4008,288486,23670420,2395713498,304636017840,
%T 49472656345230,10516377983584300,2991272711709675554,
%U 1135988864475032518984,557539993775779096522774
%N cos(tan(x)+arcsin(x))=1-4/2!*x^2-8/4!*x^4+26/6!*x^6+4008/8!*x^8...
%t With[{nn=30},Take[CoefficientList[Series[Cos[Tan[x]+ArcSin[x]],{x,0,nn}],x] Range[ 0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Mar 23 2023 *)
%K sign
%O 0,2
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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