Number of nX4 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without 2-loops or left turns.
A221765
Number of nX4 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without 2-loops or left turns.
Terms
- a(0) =0a(1) =8a(2) =92a(3) =1042a(4) =12177a(5) =141177a(6) =1635606a(7) =18947791a(8) =219496141a(9) =2542689904a(10) =29455065560a(11) =341214041090
External references
- oeis: A221765