Number of n X 7 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no occupancy greater than 2.
A221138
Number of n X 7 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no occupancy greater than 2.
Terms
- a(0) =32a(1) =57121a(2) =58132316a(3) =75512292025
External references
- oeis: A221138