3975678008domain: NAppears in sequencesNumber of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.at n=3A264256Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.at n=6A264260