203949869341domain: NAppears in sequencesNumber of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.at n=4A264243Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.at n=6A264249