%I #6 May 27 2018 10:56:54
%S 1,1,1,0,-3,4,69,-32,-2503,1936,177481,-67328,-18539595,4140096,
%T 2813939725,353591808,-573509386895,-262064131840,152349815266705,
%U 130347373404160,-50966873710838675,-65058714844462080
%N Expansion of e.g.f.: exp(arcsin(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4+4/5!*x^5+69/6!*x^6...
%t With[{nn=30},CoefficientList[Series[Exp[ArcSin[ArcTan[x]]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, May 27 2018 *)
%K sign
%O 0,5
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E Definition clarified by _Harvey P. Dale_, May 27 2018
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