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

A045665

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

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =16a(5) =30a(6) =36a(7) =98a(8) =128a(9) =252a(10) =300a(11) =682a(12) =720a(13) =1638a(14) =1764a(15) =3690a(16) =4096a(17) =8670a(18) =9072a(19) =19418a(20) =20400a(21) =42630a(22) =45012a(23) =94162a(24) =97920a(25) =204600a(26) =212940a(27) =441504a(28) =458640a(29) =950214

External references