512072domain: NAppears in sequencesa(n) = n^2*(n+1)^2*(n+2)/12.at n=22A004302Numbers k such that sigma(k) + tau(k) + phi(k) is a prime, where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).at n=37A229265Sum of cubes of the first n even numbers (A016743).at n=22A254371