Expansion of -1/(1 - x + x^2 - x^3 + x^4 + x^6).

Terms

a(0) =1a(1) =-1a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =2a(8) =1a(9) =0a(10) =-1a(11) =-3a(12) =-5a(13) =-5a(14) =-3a(15) =0a(16) =4a(17) =9a(18) =13a(19) =13a(20) =8a(21) =-1a(22) =-13a(23) =-26a(24) =-35a(25) =-34a(26) =-20a(27) =6a(28) =40a(29) =74