60872732domain: NAppears in sequencesNumber of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s.at n=3A297373Number of 4Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s.at n=6A297377