Number of non-isomorphic colorings of a toroidal n X n grid using any number of swappable colors.
A376808
Number of non-isomorphic colorings of a toroidal n X n grid using any number of swappable colors.
Terms
- a(0) =1a(1) =9a(2) =2387a(3) =655089857
External references
- oeis: A376808