531780domain: NAppears in sequencesNumber of nX2 0..1 arrays with no 1 equal to more than one of its king-move neighbors.at n=12A282641Number of nX6 0..1 arrays with every element unequal to 0, 1, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=9A318543