%I #3 Mar 31 2012 12:35:08
%S 0,0,2,2,4,4,8,8,14,12,20,20,27,28,38,36,47,48
%N Number of islands of ones fitting in an n X n array symmetric under horizontal reflection with all ones connected only either three adjacent vertically or three adjacent horizontally.
%e 8 X 8 example with 8 islands
%e .1.1.1.0.0.1.1.1
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.0.0
%e .1.1.1.0.0.1.1.1
%e .0.0.0.0.0.0.0.0
%e .1.0.1.0.0.1.0.1
%e .1.0.1.0.0.1.0.1
%e .1.0.1.0.0.1.0.1
%K nonn
%O 1,3
%A _R. H. Hardin_, Oct 20 2008