Expansion of 1 / (Sum_{n=-oo..oo} x^(n^2))^5.

Terms

a(0) =1a(1) =-10a(2) =60a(3) =-280a(4) =1110a(5) =-3912a(6) =12600a(7) =-37760a(8) =106620a(9) =-286290a(10) =736184a(11) =-1822920a(12) =4365800a(13) =-10149320a(14) =22971120a(15) =-50744448a(16) =109643350a(17) =-232145040a(18) =482403060a(19) =-985229640a(20) =1980034104a(21) =-3920000400a(22) =7652388280a(23) =-14742829440