152177domain: NAppears in sequencesn + sigma(n) + phi(n) is a cube.at n=23A116008Nonnegative numbers k such that 3*k + 2 is a cube.at n=25A287335Numbers which can be written uniquely as x^4 + y*(2y+1) + z*(3z+1), where x,y,z are integers with x>=0.at n=35A334147