Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without 2-loops or left turns.
A221766
Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor, without 2-loops or left turns.
Terms
- a(0) =0a(1) =21a(2) =536a(3) =12177a(4) =296912a(5) =7115200a(6) =170234678a(7) =4073986651a(8) =97465620298
External references
- oeis: A221766