Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero.
A208596
Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero.
Terms
- a(0) =1a(1) =8a(2) =57a(3) =568a(4) =6077a(5) =69784a(6) =833253a(7) =10259448a(8) =129245091a(9) =1658145128a(10) =21589248803a(11) =284548542120
External references
- oeis: A208596