%I #10 Jun 21 2015 21:53:14
%S 1,0,1,-3,16,-100,736,-6216,59284,-630288,7391836,-94796020,
%T 1319653336,-19816887168,319274039176,-5492805409560,100490908021456,
%U -1947909828835456,39875223857927824,-859529863811898288
%N Expansion of cosh(sinh(log(1+x))).
%t Cosh[ Sinh[ Log[ 1+x ] ] ]
%K sign,easy
%O 0,4
%A _R. H. Hardin_
%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997