417120

Appears in sequences

• Number of reversible strings with n beads using exactly five different colors.at n=8A056312
• Number of primitive (aperiodic) reversible strings with n beads using exactly five different colors.at n=8A056321
• 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=40A305621
• Number of squares in 3-dimensional space whose four vertices have coordinates (x,y,z) in the set {1,...,n}.at n=16A334881