Expansion of e.g.f. arcsin(log(x+1) - arctan(x)).

Terms

a(0) =0a(1) =0a(2) =-1a(3) =4a(4) =-6a(5) =0a(6) =-135a(7) =1860a(8) =-10780a(9) =48160a(10) =-705285a(11) =12356100a(12) =-144752850a(13) =1590732000a(14) =-25870559715a(15) =486296892900