Number of (4+1)X(n+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.
A264260
Number of (4+1)X(n+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) =64a(1) =760a(2) =14893a(3) =397462a(4) =7877184a(5) =180566464a(6) =3975678008a(7) =87271645407
External references
- oeis: A264260