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

Terms

a(0) =0a(1) =0a(2) =-1a(3) =3a(4) =-6a(5) =23a(6) =-90a(7) =91a(8) =2520a(9) =-37549a(10) =453600a(11) =-4950539a(12) =46054008a(13) =-322939255a(14) =209249040a(15) =58871058247