Expansion of e.g.f.: exp(sin(x))*x.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =0a(5) =-15a(6) =-48a(7) =-21a(8) =448a(9) =1953a(10) =640a(11) =-32461a(12) =-152064a(13) =77649a(14) =4331264a(15) =18557595a(16) =-46686208a(17) =-894805183a(18) =-2948087808a(19) =21405607651a(20) =254321049600a(21) =421226202033