Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero with no three beads in a row equal.
A208944
Number of n-bead necklaces labeled with numbers -7..7 not allowing reversal, with sum zero with no three beads in a row equal.
Terms
- a(0) =1a(1) =8a(2) =56a(3) =563a(4) =6004a(5) =68722a(6) =817362a(7) =10024344a(8) =125779236a(9) =1607175818a(10) =20840635620a(11) =273560222248
External references
- oeis: A208944