Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 1,0 1,1 0,-1 or -1,1.
A264575
Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 1,0 1,1 0,-1 or -1,1.
Terms
- a(0) =4a(1) =64a(2) =646a(3) =18540a(4) =403872a(5) =13182464a(6) =298587595a(7) =8004883334a(8) =207395987160
External references
- oeis: A264575