17179934976
domain: N
Appears in sequences
- Number of 2-colorings of an n X n grid, up to rotational symmetry.at n=6A047937
- 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=42A343095
- The number of ways of tiling the n X n grid up to 90-degree rotation by a tile that is fixed under 180-degree rotation but not 90-degree rotation.at n=5A367531