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

Terms

a(0) =1a(1) =2a(2) =1a(3) =-1a(4) =0a(5) =4a(6) =4a(7) =-3a(8) =-6a(9) =5a(10) =15a(11) =0a(12) =-24a(13) =-8a(14) =41a(15) =34a(16) =-55a(17) =-81a(18) =64a(19) =172a(20) =-36a(21) =-315a(22) =-70a(23) =525a(24) =351a(25) =-768a(26) =-944a(27) =944a(28) =2065a(29) =-766