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

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =12a(5) =-60a(6) =450a(7) =-2940a(8) =33488a(9) =-360864a(10) =4785480a(11) =-62142960a(12) =941944872a(13) =-14815408608a(14) =260792820288