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, vertical or antidiagonal neighbor.
A361451
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, vertical or antidiagonal neighbor.
Terms
- a(0) =1a(1) =2a(2) =716a(3) =112073062
External references
- oeis: A361451