61820domain: NAppears in sequencesNumber of (n+2) X 8 binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals.at n=8A202445Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 1,0 0,-1 1,2 or -1,1.at n=9A264586