A045660 Number of 2n-bead balanced binary strings, rotationally equivalent to reversed complement, inequivalent to reverse and complement.

0, 0, 0, 12, 32, 120, 300, 784, 1824, 4296, 9720, 21824, 47852, 104832, 226576, 487392, 1042208, 2219520, 4703880, 9942016, 20940152, 43995544, 92206400, 192843776, 402500844, 838655520, 1744509312, 3623427624, 7515501648

Offset: 0

Author

David W. Wilson

Keywords

• nonn

Links

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

Crossrefs

Cf. A045655, A045656, A045669.

Formula

From Andrew Howroyd, Sep 15 2019: (Start)

Inverse Moebius transform of A045669.

a(n) = A045655(n) - A045656(n). (End)