Expansion of (Sum_{n=-inf..inf} x^(n^2))^(-19).

A004420

Expansion of (Sum_{n=-inf..inf} x^(n^2))^(-19).

Terms

    a(0) =1a(1) =-38a(2) =760a(3) =-10640a(4) =117002a(5) =-1075248a(6) =8582224a(7) =-61061440a(8) =394559320a(9) =-2348001494a(10) =13008061200a(11) =-67666510320a(12) =332809029680

External references