%I #10 Jun 22 2015 22:18:32
%S 0,1,-1,4,-14,76,-472,3592,-31600,317968,-3600384,45286528,-626654976,
%T 9459412288,-154690373632,2724254181760,-51403730941952,
%U 1034595588065536,-22124602307346432,500961002883890176
%N Expansion of log(1+sinh(sinh(x))).
%t Log[ 1+Sinh[ Sinh[ x ] ] ]
%K sign,easy
%O 0,4
%A _R. H. Hardin_
%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997
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