3811097domain: NAppears in sequencesNumber of (n+1)X6 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A204036Number of (n+1)X7 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204037