369792domain: NAppears in sequences3-automorphic numbers ending in 2: final digits of 3*n^2 agree with n.at n=5A030985a(n) = 288*n^2 - 96*n (n>=1).at n=35A3050733-automorphic numbers: positive integers k such that 3k^2 ends with k.at n=16A383821