Expansion of e.g.f. log(1 + x*cosh(x)).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =5a(4) =-18a(5) =89a(6) =-600a(7) =4717a(8) =-42896a(9) =449073a(10) =-5287680a(11) =69090581a(12) =-993391872a(13) =15583801609a(14) =-264816161792