5221177246domain: NAppears in sequencesNumber of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 4 1s.at n=6A295273Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 4 1s.at n=5A295274