%I #7 May 31 2016 14:53:47
%S 1,2,44,185,3276,15682,282377,1480410,26264942
%N Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2x4 which is symmetric after a rotation by 180 degrees.
%H <a href="/wiki/Index_to_OEIS:_Section_Lc#LEGO">Index entry for sequences related to LEGO blocks</a>
%Y Cf. A112389, A123762 - A123827, A123829 - A123849.
%K nonn
%O 1,2
%A _Søren Eilers_, Oct 29 2006