2995048domain: NAppears in sequencesNumber of (n+1)X(6+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.at n=6A237013Number of (n+1)X(7+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.at n=5A237014