Number of n X n arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.
A221322
Number of n X n arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.
Terms
- a(0) =1a(1) =17a(2) =2008a(3) =2460824a(4) =26135748494
External references
- oeis: A221322