Expansion of e.g.f. exp(3*sin(x)).

Terms

a(0) =1a(1) =3a(2) =9a(3) =24a(4) =45a(5) =-24a(6) =-747a(7) =-3864a(8) =-7623a(9) =48576a(10) =548001a(11) =2175360a(12) =-5269275a(13) =-133496448a(14) =-785549331a(15) =789324288a(16) =52523738865a(17) =398157422592a(18) =-157735851975