Expansion of x/(1 - 10*x - 9*x^2).

Terms

a(0) =0a(1) =1a(2) =10a(3) =109a(4) =1180a(5) =12781a(6) =138430a(7) =1499329a(8) =16239160a(9) =175885561a(10) =1905008050a(11) =20633050549a(12) =223475577940