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

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =24a(5) =172a(6) =1192a(7) =10176a(8) =106176a(9) =1212048a(10) =15123872a(11) =210069440a(12) =3195595392a(13) =52434870464a(14) =926003117184