4806078

Appears in sequences

• Number of necklaces with n beads of 2 colors, allowing turning over (these are also called bracelets).at n=28A000029
• Incorrect version of A091967.at n=28A031135
• Incorrect version of A107357.at n=28A037181
• a(n) is the n-th term of sequence A_n, ignoring the offset, or -1 if A_n has fewer than n terms.at n=28A091967
• Number of n-bead necklaces of 3 colors allowing reversal, with no adjacent beads having the same color.at n=27A208539