22955665domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 9.at n=41A137082Numbers k such that k and k^2 use only the digits 2, 5, 6, 8 and 9.at n=27A137114Numbers k such that k and k^2 use only the digits 2, 5, 6 and 9.at n=3A137115