Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,1 1,0 2,1 or -1,-1.
A264475
Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,1 1,0 2,1 or -1,-1.
Terms
- a(0) =0a(1) =76a(2) =484a(3) =11044a(4) =215607a(5) =4039259a(6) =74367790a(7) =1358980008a(8) =25131223920a(9) =454913826610
External references
- oeis: A264475