Expansion of 1/Sum_{k>=0} x^(k^2).

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-1a(4) =0a(5) =1a(6) =-2a(7) =3a(8) =-3a(9) =1a(10) =2a(11) =-6a(12) =10a(13) =-11a(14) =8a(15) =0a(16) =-14a(17) =29a(18) =-39a(19) =38a(20) =-18a(21) =-22a(22) =74a(23) =-123a(24) =144a(25) =-110a(26) =6a(27) =161a(28) =-352a(29) =491