10133992449domain: NAppears in sequencesNumber of (n+1) X 6 0..1 arrays with the determinants of 2 X 2 subblocks nondecreasing rightwards and downwards.at n=6A204613Number of (n+1)X8 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204615