135926940964domain: NAppears in sequencesNumber of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.at n=5A264378Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.at n=6A264384