Expansion of x/(1-6*x+25*x^2).

Terms

a(0) =0a(1) =1a(2) =6a(3) =11a(4) =-84a(5) =-779a(6) =-2574a(7) =4031a(8) =88536a(9) =430441a(10) =369246a(11) =-8545549a(12) =-60504444a(13) =-149387939a(14) =616283466a(15) =7432399271a(16) =29187308976a(17) =-10686127919a(18) =-793799491914