Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 4.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =0a(6) =1a(7) =-1a(8) =-1a(9) =-3a(10) =-4a(11) =-7a(12) =-8a(13) =-13a(14) =-15a(15) =-20a(16) =-24a(17) =-31a(18) =-35a(19) =-44a(20) =-50a(21) =-60a(22) =-68a(23) =-80a(24) =-89a(25) =-104a(26) =-115a(27) =-131a(28) =-145a(29) =-164