6395409906domain: 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 0,1 1,0 -1,-2 or 0,2.at n=4A264311Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.at n=5A264318