592113170884domain: NAppears in sequencesNumber of (n+1)X4 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=5A204305Number of (n+1)X7 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards.at n=2A204308