10050125domain: NAppears in sequencesNumbers k such that decimal expansion of k^2 contains k as a substring and k does not end in 0.at n=22A046831Internal digits of k^2 include digits of k as substring, k does not end in 0.at n=9A046837Numbers k such that (k - digitsum(k))(k + digitsum(k)) contains k as a substring.at n=25A334249