923583domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 31.at n=30A031709a(n) = 961*n^2 + 2*n.at n=30A158413a(n) = n*(n^3 + 2).at n=31A185065Expansion of (1/x) * Series_Reversion( x * (1 - x - x^2/(1 - x)^2) ).at n=10A378467