%I #4 Mar 31 2012 12:35:17
%S 1,1,1,1,1,5,17,41,185,633,2157,7997,47735,277209,2208471,17450513,
%T 197122185,2176282667,31077679505
%N Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1001-1001-1111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.1.0.1.1.1.1
%e .1.0.0.0.1.0.0.1
%e .1.0.0.0.1.0.0.1
%e .1.1.1.0.0.0.0.0
%e .0.0.0.0.0.1.1.1
%e .1.0.0.1.0.0.0.1
%e .1.0.0.1.0.0.0.1
%e .1.1.1.1.0.1.1.1
%K nonn
%O 1,6
%A _R. H. Hardin_