Expansion of g.f. x/(1 - 9*x - 8*x^2).

Terms

a(0) =0a(1) =1a(2) =9a(3) =89a(4) =873a(5) =8569a(6) =84105a(7) =825497a(8) =8102313a(9) =79524793a(10) =780541641a(11) =7661073113a(12) =75193991145a(13) =738034505209