409199
domain: N
Appears in sequences
- Number of n-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal.at n=6A209336
- Number of n-bead necklaces labeled with numbers -7..7 allowing reversal, with sum zero with no three beads in a row equal.at n=6A209343
- Number of 7-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal.at n=6A209348