Expansion of x/(1 - 7*x - 9*x^2).

Terms

a(0) =0a(1) =1a(2) =7a(3) =58a(4) =469a(5) =3805a(6) =30856a(7) =250237a(8) =2029363a(9) =16457674a(10) =133467985a(11) =1082394961a(12) =8777976592a(13) =71187390793a(14) =577313524879