Expansion of e.g.f. x*exp(5*x)*cosh(x).

Terms

a(0) =0a(1) =1a(2) =10a(3) =78a(4) =560a(5) =3880a(6) =26400a(7) =177632a(8) =1185280a(9) =7853184a(10) =51699200a(11) =338331136a(12) =2201948160a(13) =14258137088a(14) =91894620160a(15) =589744496640