Expansion of e.g.f. exp(arctan(x)*log(x+1)).

Terms

a(0) =1a(1) =0a(2) =2a(3) =-3a(4) =12a(5) =-70a(6) =418a(7) =-2604a(8) =20048a(9) =-189288a(10) =1883592a(11) =-19386840a(12) =226594632a(13) =-3022978608a(14) =42088762896a(15) =-602721577080