T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, with no occupancy greater than 2.
A221303
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor, with no occupancy greater than 2.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =7a(4) =19a(5) =7a(6) =17a(7) =137a(8) =137a(9) =17a(10) =41a(11) =1001a(12) =2899a(13) =1001a(14) =41a(15) =99a(16) =7305a(17) =63285a(18) =63285a(19) =7305a(20) =99a(21) =239a(22) =53291a(23) =1388449a(24) =4119299a(25) =1388449a(26) =53291a(27) =239a(28) =577a(29) =388741
External references
- oeis: A221303