180314

Appears in sequences

• Number of identity bracelets of n beads of 2 colors.at n=22A032239
• Number of 2n-bead balanced binary necklaces which are equivalent to their complement, but not equivalent to their reverse and their reversed complement.at n=23A045677
• Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their complement, but not equivalent to their reverse and their reversed complement.at n=23A045686
• Number of pairs of orientable necklaces with n beads and two colors; i.e., turning the necklace over does not leave it unchanged.at n=23A059076