7226974262domain: NAppears in sequencesNumber of (n+1)X3 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=6A186529Number of (n+1)X8 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=1A186534