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

Terms

a(0) =1a(1) =2a(2) =1a(3) =-2a(4) =-3a(5) =2a(6) =9a(7) =6a(8) =-11a(9) =-22a(10) =1a(11) =46a(12) =45a(13) =-46a(14) =-135a(15) =-42a(16) =229a(17) =314a(18) =-143a(19) =-770a(20) =-483a(21) =1058a(22) =2025a(23) =-90a(24) =-4139a(25) =-3958a(26) =4321a(27) =12238a(28) =3597a(29) =-20878