Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, but not equivalent to their complement and reversed complement.

A045685

Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, but not equivalent to their complement and reversed complement.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =2a(6) =14a(7) =12a(8) =56a(9) =54a(10) =230a(11) =220a(12) =870a(13) =860a(14) =3348a(15) =3302a(16) =12672a(17) =12614a(18) =48280a(19) =48108a(20) =183990a(21) =183720a(22) =704156a(23) =703384a(24) =2701128a(25) =2700058a(26) =10395580a(27) =10392354a(28) =40104974a(29) =40100216

External references