4794087

Appears in sequences

• Moebius transform of A000013 (starting at term 0).at n=28A054170
• Number of n-bead necklace structures using exactly two different colored beads.at n=27A056295
• 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=24A294791