74388domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 3, 4, 5, 7 and 8.at n=6A137124Number of 4-step king's tours on an n X n board summed over all starting positions.at n=15A186863Number of sets of exactly n positive integers <= n+10 having a square element sum.at n=14A281973