Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
A221105
Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
Terms
- a(0) =0a(1) =1570a(2) =275487a(3) =50444759a(4) =8577221762
External references
- oeis: A221105