Number of n-bead necklaces labeled with numbers -5..5 not allowing reversal, with sum zero.

A208594

Number of n-bead necklaces labeled with numbers -5..5 not allowing reversal, with sum zero.

Terms

    a(0) =1a(1) =6a(2) =31a(3) =226a(4) =1761a(5) =14838a(6) =129823a(7) =1172298a(8) =10829443a(9) =101888166a(10) =972840341a(11) =9402986626a(12) =91822503449a(13) =904557886854

External references