Expansion of e.g.f. exp(sin(x)-sin(x)^2).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =-6a(4) =5a(5) =92a(6) =-5a(7) =-2352a(8) =-2231a(9) =88912a(10) =197207a(11) =-4579872a(12) =-17257843a(13) =304667456a(14) =1718324179a(15) =-25202576640a(16) =-199033628015