Number of nX3 arrays of occupancy after each element stays put or moves to some king-move neighbor, with no occupancy greater than 2.
A221267
Number of nX3 arrays of occupancy after each element stays put or moves to some king-move neighbor, with no occupancy greater than 2.
Terms
- a(0) =7a(1) =141a(2) =3119a(3) =71977a(4) =1688295a(5) =39832247a(6) =941623211a(7) =22274020039a(8) =526997663309
External references
- oeis: A221267