%I #22 Jan 23 2018 04:58:46
%S 1,-1,-7,335,-12367,461119,-15282199,-15084017,113205762401,
%T -23353924295169,3999727786726617,-646193037236457649,
%U 96494362194199966481,-10906894032368131721153,-479911420793798434667319,1063072317688793395093573391
%N Expansion of e.g.f. sinh(sin(sin(x))).
%H G. C. Greubel, <a href="/A009587/b009587.txt">Table of n, a(n) for n = 0..250</a>
%t With[{nn=30},Take[CoefficientList[Series[Sinh[Sin[Sin[x]]],{x,0,nn}],x] Range[0,nn-1]!,{2,-1,2}]] (* _Harvey P. Dale_, Oct 03 2011 *)
%o (PARI) x='x+O('x^30); Vec(serlaplace(sinh(sin(sin(x))))) \\ _G. C. Greubel_, Jan 22 2018
%K sign
%O 0,3
%A _R. H. Hardin_
%E Extended with signs by _Olivier Gérard_, Mar 15 1997
%E a(15) from _G. C. Greubel_, Jan 22 2018