Number of n X 2 arrays of occupancy after each element stays put or moves to some king-move neighbor, with no occupancy greater than 2.
A221266
Number of n X 2 arrays of occupancy after each element stays put or moves to some king-move neighbor, with no occupancy greater than 2.
Terms
- a(0) =3a(1) =19a(2) =141a(3) =1073a(4) =8203a(5) =62771a(6) =480437a(7) =3677345a(8) =28147315a(9) =215447091a(10) =1649090685a(11) =12622590641a(12) =96616760123a(13) =739531104531
External references
- oeis: A221266