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

Terms

a(0) =0a(1) =1a(2) =-1a(3) =0a(4) =-6a(5) =35a(6) =-75a(7) =784a(8) =-10052a(9) =61221a(10) =-392445a(11) =6267976a(12) =-85062714a(13) =868090431a(14) =-10957052015a(15) =185215163288