%I #7 Sep 15 2019 19:57:52
%S 0,0,0,12,32,120,300,784,1824,4296,9720,21824,47852,104832,226576,
%T 487392,1042208,2219520,4703880,9942016,20940152,43995544,92206400,
%U 192843776,402500844,838655520,1744509312,3623427624,7515501648
%N Number of 2n-bead balanced binary strings, rotationally equivalent to reversed complement, inequivalent to reverse and complement.
%H Andrew Howroyd, <a href="/A045660/b045660.txt">Table of n, a(n) for n = 0..200</a>
%F From _Andrew Howroyd_, Sep 15 2019: (Start)
%F Inverse Moebius transform of A045669.
%F a(n) = A045655(n) - A045656(n). (End)
%Y Cf. A045655, A045656, A045669.
%K nonn
%O 0,4
%A _David W. Wilson_