750397domain: NAppears in sequencesNumbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 82.at n=12A031670a(n) is the Frobenius number for the set { binomial(m,k), k=1..m-1 } where m = A024619(n).at n=9A389479