2464988domain: NAppears in sequencesNumber of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=5A264330Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=5A264334