96131domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 20.at n=31A031698a(n) = concatenation of n^2 and n.at n=30A055436a(n) = 100*n^2 + n.at n=30A055438a(n) = 961*n^2 + 31.at n=10A158675