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

Terms

a(0) =1a(1) =0a(2) =0a(3) =-1a(4) =0a(5) =1a(6) =10a(7) =-1a(8) =-56a(9) =-279a(10) =246a(11) =4619a(12) =14388a(13) =-53195a(14) =-556478a(15) =-864865a(16) =13276912a(17) =90192753a(18) =-72903378a(19) =-3987888493a(20) =-16957067028a(21) =101506932205