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

Terms

a(0) =0a(1) =0a(2) =2a(3) =-3a(4) =16a(5) =-50a(6) =440a(7) =-2856a(8) =30896a(9) =-291528a(10) =3760768a(11) =-47794120a(12) =742773920a(13) =-11810509776a(14) =214335913584