7903501domain: NAppears in sequencesNumber of points in N^9 of norm <= n.at n=9A055408Number of points in N^n of norm <= 9.at n=9A055424a(n) = [x^(n^2)] (1 + theta_3(x))^n/(2^n*(1 - x)), where theta_3() is the Jacobi theta function.at n=9A302863