169733268904domain: NAppears in sequencesNumber of (n+1)X4 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=5A186530Number of (n+1)X7 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=2A186533