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

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =2a(4) =0a(5) =-3a(6) =2a(7) =3a(8) =-5a(9) =-1a(10) =8a(11) =-4a(12) =-9a(13) =12a(14) =5a(15) =-21a(16) =7a(17) =26a(18) =-28a(19) =-19a(20) =54a(21) =-9a(22) =-73a(23) =63a(24) =64a(25) =-136a(26) =-1a(27) =200a(28) =-135a(29) =-201