13397007426domain: NAppears in sequencesNumber of (n+1) X 4 0..2 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing rightwards and downwards.at n=5A206507Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards.at n=2A206510