Expansion of x/(1 - 5*x - 2*x^2).

Terms

a(0) =0a(1) =1a(2) =5a(3) =27a(4) =145a(5) =779a(6) =4185a(7) =22483a(8) =120785a(9) =648891a(10) =3486025a(11) =18727907a(12) =100611585a(13) =540513739a(14) =2903791865a(15) =15599986803a(16) =83807517745a(17) =450237562331