681254361domain: 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=5A204613Number of (n+1)X7 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204614