Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor.
A217270
Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor.
Terms
- a(0) =8a(1) =3025a(2) =772800a(3) =194881600a(4) =48909857500
External references
- oeis: A217270