1533064domain: NAppears in sequencesT(n,k) is the number of n-step king-knight's tours (piece capable of both kinds of moves) on a k X k board summed over all starting positions.at n=51A187850Number of 7-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=3A187855