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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =1a(4) =2a(5) =-1a(6) =-1a(7) =4a(8) =3a(9) =-3a(10) =2a(11) =11a(12) =3a(13) =-4a(14) =15a(15) =25a(16) =2a(17) =7a(18) =55a(19) =52a(20) =11a(21) =69a(22) =162a(23) =115a(24) =91a(25) =300a(26) =439a(27) =321a(28) =482a(29) =1039