954459519

Appears in sequences

• Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly two colors under translational symmetry and swappable colors.at n=20A294791
• Number of non-isomorphic colorings of a toroidal n X n grid using exactly two swappable colors.at n=5A376747