Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.
A264335
Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.
Terms
- a(0) =4a(1) =64a(2) =1573a(3) =51904a(4) =1371555a(5) =40119900a(6) =1082465413a(7) =28865247648a(8) =765329377660
External references
- oeis: A264335