Expansion of exp(x)/cos(sin(x)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =16a(6) =8a(7) =-104a(8) =-960a(9) =-5504a(10) =-22400a(11) =-69376a(12) =251008a(13) =5144192a(14) =53882624a(15) =431779328a(16) =2088660992a(17) =3270959104a(18) =-173107810304