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

A045675

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =8a(6) =32a(7) =168a(8) =616a(9) =2380a(10) =8472a(11) =30760a(12) =109644a(13) =394816a(14) =1420784a(15) =5149948a(16) =18736744a(17) =68553728a(18) =251902032a(19) =929814984a(20) =3445433608a(21) =12814382620a(22) =47817551136a(23) =178982546512a(24) =671813695340

External references