Number of colorings of an n X n grid up to permutation of the colors with no element having the same color as any horizontal or antidiagonal neighbor.
A361450
Number of colorings of an n X n grid up to permutation of the colors with no element having the same color as any horizontal or antidiagonal neighbor.
Terms
- a(0) =1a(1) =5a(2) =2906a(3) =656404264
External references
- oeis: A361450