Expansion of x/(1 - 3*x - 11*x^2).

Terms

a(0) =0a(1) =1a(2) =3a(3) =20a(4) =93a(5) =499a(6) =2520a(7) =13049a(8) =66867a(9) =344140a(10) =1767957a(11) =9089411a(12) =46715760a(13) =240130801a(14) =1234265763a(15) =6344236100a(16) =32609631693a(17) =167615492179a(18) =861552425160