Number of ways to label points of an n X n grid with 3 colors, up to rotational symmetry.

A047938

Number of ways to label points of an n X n grid with 3 colors, up to rotational symmetry.

Terms

    a(0) =1a(1) =3a(2) =24a(3) =4995a(4) =10763361a(5) =211822552035

External references