1073758336

Appears in sequences

• Number of 4-colorings of an n X n grid, up to rotational symmetry.at n=4A047939
• Number of inequivalent 4 X 4 matrices with entries in {1,2,3,...,n} up to rotations.at n=4A283027
• Array read by antidiagonals: T(n,k) is the number of k-colorings of an n X n grid, up to rotational symmetry.at n=40A343095
• Number of n-colorings of an n X n grid, up to rotational symmetry.at n=4A343096
• The number of ways of tiling the n X n grid up to 90-degree rotation by a tile that is not fixed under 180-degree rotation.at n=3A367532