184768domain: NAppears in sequencesNumber of 6-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.at n=30A187176Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.at n=12A298292