Expansion of (1+x^2+x^4)/(1-x^6+x^7).

Terms

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