1000050001domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 5.at n=29A136837Numbers k such that k and k^2 use only the digits 0, 1, 4 and 5.at n=17A136854Numbers k such that k and k^2 use only the digits 0, 1, 4, 5 and 8.at n=34A136857