216255domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 31.at n=14A031709a(n) = 961*n^2 + 2*n.at n=14A158413Number of partitions of 2n such that (sum of parts having multiplicity 1) = sum of all other parts.at n=38A240447