4211744

Appears in sequences

• Number of n X n binary matrices under action of dihedral group of the square D_4.at n=5A054247
• Number of inequivalent 5 X 5 matrices with entries in {1,2,3,...,n} up to rotations and reflections.at n=2A283033
• Array read by antidiagonals: T(n,k) is the number of k-colorings of an n X n grid, up to rotations and reflections.at n=33A343097
• Array read by downward antidiagonals: A(n,k) is the number of nonequivalent 2-colorings of the cells of an n-dimensional hypercube with edges k cells long under action of symmetry.at n=30A361870