Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, complement and reversed complement.

A045683

Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reverse, complement and reversed complement.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =3a(7) =7a(8) =8a(9) =14a(10) =15a(11) =31a(12) =30a(13) =63a(14) =63a(15) =123a(16) =128a(17) =255a(18) =252a(19) =511a(20) =510a(21) =1015a(22) =1023a(23) =2047a(24) =2040a(25) =4092a(26) =4095a(27) =8176a(28) =8190a(29) =16383

External references