Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
A264378
Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Terms
- a(0) =25a(1) =544a(2) =88264a(3) =9407584a(4) =1187897216a(5) =135926940964
External references
- oeis: A264378