Triangle read by rows: T(n,k) is the number of 2n-bead balanced binary necklaces with period length 2n/k.

A385666

Triangle read by rows: T(n,k) is the number of 2n-bead balanced binary necklaces with period length 2n/k.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =0a(5) =1a(6) =8a(7) =1a(8) =0a(9) =1a(10) =25a(11) =0a(12) =0a(13) =0a(14) =1a(15) =75a(16) =3a(17) =1a(18) =0a(19) =0a(20) =1a(21) =245a(22) =0a(23) =0a(24) =0a(25) =0a(26) =0a(27) =1a(28) =800a(29) =8

External references