Expansion of e.g.f. arcsin(log(x+1)^2).

Terms

a(0) =0a(1) =0a(2) =2a(3) =-6a(4) =22a(5) =-100a(6) =668a(7) =-6048a(8) =64776a(9) =-763488a(10) =9918072a(11) =-144472680a(12) =2365739880a(13) =-42879666960a(14) =845124232080