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

A264470

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