Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.
A221827
Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.
Terms
- a(0) =0a(1) =333a(2) =40983a(3) =4715043a(4) =570066685a(5) =68489860450
External references
- oeis: A221827