563330031268domain: NAppears in sequencesNumber of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1's.at n=6A295524Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.at n=6A295530