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

Terms

a(0) =1a(1) =0a(2) =1a(3) =2a(4) =-1a(5) =4a(6) =1a(7) =-2a(8) =11a(9) =-8a(10) =5a(11) =18a(12) =-33a(13) =44a(14) =-7a(15) =-58a(16) =147a(17) =-160a(18) =45a(19) =250a(20) =-569a(21) =660a(22) =-159a(23) =-978a(24) =2299a(25) =-2616a(26) =661a(27) =3938a(28) =-9169a(29) =10492