74621domain: NAppears in sequencesa(n) = (2*n-1)*(5*n^2-5*n+6)/6.at n=35A063489Number of (n+1) X 6 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.at n=14A206264