Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.
A221802
Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops or left turns.
Terms
- a(0) =0a(1) =56a(2) =1107a(3) =27692a(4) =657057a(5) =15710423a(6) =374768765a(7) =8941472101a(8) =213311448213
External references
- oeis: A221802