223165737677domain: NAppears in sequencesNumber of nX4 0..1 arrays with every element equal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero.at n=23A297903Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=23A298497