349154906413domain: NAppears in sequencesNumber of (n+1)X7 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=6A204614Number of (n+1)X8 0..1 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A204615