A045659 Number of 2n-bead balanced binary strings, rotationally equivalent to complement, inequivalent to reverse and reversed complement.

0, 0, 0, 0, 0, 0, 24, 28, 128, 252, 720, 1364, 3384, 6552, 14644, 29040, 61568, 122400, 253284, 504868, 1028880, 2054416, 4150652, 8294444, 16682552, 33349800, 66902472, 133775964, 267991444, 535920696, 1072788624, 2145452092

Offset

0,7

Links

Andrew Howroyd, Table of n, a(n) for n = 0..200

Formula

From Andrew Howroyd, Sep 15 2019: (Start)

Inverse Moebius transform of A045668.

a(n) = A045654(n) - A045656(n). (End)

Crossrefs

Cf. A045654, A045656, A045668.

Sequence in context: A206261 A217441 A045668 * A319901 A058228 A093455

Adjacent sequences: A045656 A045657 A045658 * A045660 A045661 A045662

Keyword

nonn

Author

David W. Wilson

Status

approved