308271domain: NAppears in sequencesNumber of n X n 0..1 arrays with every element unequal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero.at n=6A303881Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero.at n=6A303887