Expansion of Product_{k>0} 1/(Sum_{m>=0} x^(k*m^3)).

Terms

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