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%I #3 Mar 31 2012 12:35:08
%S 0,0,1,2,2,4,6,7,9,12,13,16,20,22,25,30,32,36
%N 1/2 the number of islands of ones fitting in an n X n array symmetric about main diagonal with all ones connected only either two adjacent vertically or two adjacent horizontally.
%e 8 X 8 example with 14 islands
%e .0.1.1.0.0.0.1.1
%e .1.0.0.1.0.1.0.0
%e .1.0.0.1.0.1.0.1
%e .0.1.1.0.0.0.0.1
%e .0.0.0.0.0.1.1.0
%e .0.1.1.0.1.0.0.1
%e .1.0.0.0.1.0.0.1
%e .1.0.1.1.0.1.1.0
%K nonn
%O 1,4
%A _R. H. Hardin_, Oct 19 2008
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