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%I #3 Mar 31 2012 12:35:08
%S 1,1,1,1,7,11,159,327,5133,13861,849385,3108015,457381857,2235253839,
%T 607242639437,3907846853149,2764340116761305,23642760363071615,
%U 40211844595990066697,457112748895519083981,1725707575657931227023395
%N Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a zee 1,1 1,2 2,2 2,3 in any orientation.
%e Maximal 8 X 8 example
%e .0.1.0.0.0.0.1.0
%e .1.1.0.0.0.0.1.1
%e .1.0.0.0.0.0.0.1
%e .0.1.0.0.0.0.1.0
%e .1.1.0.0.0.0.1.1
%e .1.0.0.0.0.0.0.1
%e .0.1.1.0.0.1.1.0
%e .1.1.0.0.0.0.1.1
%K nonn
%O 1,5
%A _R. H. Hardin_, Oct 25 2008