Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
A221104
Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
Terms
- a(0) =0a(1) =141a(2) =6153a(3) =275487a(4) =11620928a(5) =486820079a(6) =20299745484a(7) =845360036180
External references
- oeis: A221104