70554353domain: NAppears in sequencesNumber of points in Z^8 of norm <= n.at n=8A055414Number of points in Z^n of norm <= 8.at n=8A055432a(n) = [x^(n^2)] theta_3(x)^n/(1 - x), where theta_3() is the Jacobi theta function.at n=8A302861