Expansion of x/((1-x)*(1-x^2-2*x^3)).

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =4a(5) =5a(6) =9a(7) =14a(8) =20a(9) =33a(10) =49a(11) =74a(12) =116a(13) =173a(14) =265a(15) =406a(16) =612a(17) =937a(18) =1425a(19) =2162a(20) =3300a(21) =5013a(22) =7625a(23) =11614a(24) =17652a(25) =26865a(26) =40881a(27) =62170a(28) =94612a(29) =143933