Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
A264384
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Terms
- a(0) =0a(1) =347a(2) =22484a(3) =828400a(4) =48714516a(5) =2546661201a(6) =135926940964
External references
- oeis: A264384