54064domain: NAppears in sequencesNumbers d*p where d is a perfect number and p<d a prime not dividing d.at n=36A165772Integers expressible as x^3 + 2*y^3 (x, y > 0) in two ways.at n=14A219725Initial members of admirable triples: numbers k such that (k, k+2, k+4) are all admirable numbers (A111592).at n=2A329187