Expansion of (1 - 2*x^3 - x^4 - x^5 + x^6 + x^7 - x^8)/(1 - x^3)^3.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =-1a(5) =-1a(6) =1a(7) =-2a(8) =-4a(9) =1a(10) =-3a(11) =-9a(12) =1a(13) =-4a(14) =-16a(15) =1a(16) =-5a(17) =-25a(18) =1a(19) =-6a(20) =-36a(21) =1a(22) =-7a(23) =-49a(24) =1a(25) =-8a(26) =-64a(27) =1a(28) =-9a(29) =-81