Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.
A264253
Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0.
Terms
- a(0) =89a(1) =1124a(2) =23805a(3) =397462a(4) =7467925a(5) =132080760a(6) =2411543681a(7) =43298007242a(8) =784323747917
External references
- oeis: A264253