Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change 1,0 1,1 0,-1 or -1,1.

A264563

Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change 1,0 1,1 0,-1 or -1,1.