T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero.
A208597
T(n,k) = number of n-bead necklaces labeled with numbers -k..k not allowing reversal, with sum zero.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =3a(6) =1a(7) =4a(8) =7a(9) =6a(10) =1a(11) =5a(12) =13a(13) =23a(14) =11a(15) =1a(16) =6a(17) =21a(18) =60a(19) =77a(20) =26a(21) =1a(22) =7a(23) =31a(24) =125a(25) =291a(26) =297a(27) =57a(28) =1a(29) =8
External references
- oeis: A208597