10401000domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 8.at n=44A136840Numbers k such that k and k^2 use only the digits 0, 1, 4, 5 and 8.at n=21A136857Numbers k such that k and k^2 use only the digits 0, 1, 4 and 8.at n=14A136866