7663517136domain: NAppears in sequencesNumber of n X 6 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.at n=6A233153Number of 7Xn 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.at n=5A233160