7767356736domain: NAppears in sequencesNumber of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,2 1,0 or -1,-2.at n=6A264362Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,0 0,2 1,0 or -1,-2.at n=5A264371