Expansion of tan(sin(x))*exp(x).

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =8a(5) =12a(6) =8a(7) =-128a(8) =-960a(9) =-5232a(10) =-24416a(11) =-54848a(12) =174976a(13) =5325504a(14) =55072384a(15) =403442176a(16) =2417174528a(17) =558723328a(18) =-157596298752