Number of 2n-bead balanced binary strings, rotationally equivalent to reverse, inequivalent to complement and reversed complement.

A045658

Number of 2n-bead balanced binary strings, rotationally equivalent to reverse, inequivalent to complement and reversed complement.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =16a(5) =20a(6) =168a(7) =168a(8) =912a(9) =972a(10) =4620a(11) =4840a(12) =21064a(13) =22360a(14) =93912a(15) =99080a(16) =406416a(17) =428876a(18) =1739220a(19) =1828104a(20) =7364236a(21) =7716408a(22) =30987704a(23) =32355664a(24) =129676104a(25) =135002920a(26) =540592520a(27) =561188088a(28) =2245972472a(29) =2325812528

External references