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

Terms

a(0) =1a(1) =1a(2) =1a(3) =-3a(4) =-15a(5) =-23a(6) =177a(7) =1253a(8) =1057a(9) =-37103a(10) =-245471a(11) =371085a(12) =15691665a(13) =76436089a(14) =-608056239a(15) =-10302629131a(16) =-20287425215a(17) =856245051169