390440690domain: NAppears in sequencesNumber of n X 6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1's.at n=6A295350Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 3 1s.at n=5A295351