13999334726domain: NAppears in sequencesNumber of n X n 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally.at n=5A229373Number of nX6 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally.at n=5A229378