46883domain: NAppears in sequencesNumbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones.at n=21A031797Numbers n > 1 such that n^5 - 2 has no prime factor > n.at n=9A083955Number of connected, loopless 2-regular digraphs, no multiedges, on n nodes.at n=10A307155