A045657 Number of 2n-bead balanced binary strings, rotationally inequivalent to reverse, complement and reversed complement.

0, 0, 0, 0, 0, 80, 384, 2352, 9856, 42840, 169360, 676720, 2631072, 10265216, 39779600, 154498280, 599565952, 2330826752, 9068429544, 35332969392, 137817174800, 538204065336, 2103971573264, 8233197139552, 32247054724768

Offset: 0

Author

David W. Wilson

Keywords

• nonn

Links

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

Crossrefs

Cf. A000984, A045653, A045654, A045655, A045656, A045666.

Formula

From Andrew Howroyd, Sep 15 2019: (Start)

Inverse Moebius transform of A045666.

a(n) = A000984(n) - A045653(n) - A045654(n) - A045655(n) + 2*A045656(n). (End)