64615680

Appears in sequences

• Number of reversible strings with n beads using exactly six different colors.at n=10A056313
• Number of primitive (aperiodic) reversible strings with n beads using exactly six different colors.at n=10A056322
• Triangle read by rows: T(n,k) is the number of rows of n colors with exactly k different colors counting chiral pairs as equivalent, i.e., the rows are reversible.at n=60A305621