3788400

Appears in sequences

• Number of identity bracelets of n beads of 3 colors.at n=16A032240
• Triangle of transformation semigroup sizes generated by a single element.at n=39A225725
• Number of pairs of orientable necklaces with n beads and up to 3 colors; i.e., turning the necklace over does not leave it unchanged. The turned-over necklace is not included in the count.at n=17A278639