972225domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 68.at n=28A031746a(n) = 841*n^2 + 29.at n=34A1586659-step Fibonacci sequence starting with 0,0,0,1,0,0,0,0,0.at n=29A251750