Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
A264634
Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
Terms
- a(0) =6a(1) =64a(2) =832a(3) =19521a(4) =389512a(5) =7201068a(6) =145801320a(7) =2894056084a(8) =55482368576
External references
- oeis: A264634