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, diagonal or antidiagonal neighbor.
A361449
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, diagonal or antidiagonal neighbor.
Terms
- a(0) =1a(1) =4a(2) =1573a(3) =235862938
External references
- oeis: A361449