999424domain: NAppears in sequencesNumber of (n+1) X (n+1) 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock differing from the number in all its horizontal and vertical neighbors.at n=13A205064a(n) = n^5*(7*n+5)/2.at n=8A229148Number of ascending runs in {1,...,8}^n.at n=6A229282