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%I #3 Mar 31 2012 12:35:08
%S 1,1,5,18,70,523,4956,70926,1300201,37116376,1354115636,76887328413,
%T 5596162598050,631149201335604,91196507989935319,20473605176808584691,
%U 5885534752273786907540,2626715298620574785397735
%N Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only either two adjacent vertically or two adjacent horizontally.
%K nonn
%O 1,3
%A _R. H. Hardin_, Oct 18 2008
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