430246838462domain: NAppears in sequencesNumber of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1's.at n=6A295246Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s.at n=6A295252