%I #4 Mar 31 2012 12:35:12
%S 1,1,1,1,1,1,5,19,45,71,181,579,2359,9473,49633,219719,1381673,
%T 7390193,56382323,390282737,3729442205,31973256841
%N Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1110-0111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.1.1.1.0
%e .1.0.0.1.1.1.0.0
%e .1.1.1.0.0.1.0.0
%e .1.1.0.0.0.0.1.0
%e .0.1.0.0.0.0.1.1
%e .0.0.1.0.0.1.1.1
%e .0.0.1.1.1.0.0.1
%e .0.1.1.1.0.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008