%I #4 Mar 31 2012 12:35:16
%S 1,1,1,1,1,5,17,39,137,661,3965,30475,261877,2593597,32463645,
%T 507974205,9631596681,224195557727,6341197277447,216685113312141,
%U 8987183183859385
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0001-1101-0111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.1.1.1.0.0
%e .0.0.0.1.0.0.1.0
%e .0.0.0.1.1.0.1.1
%e .1.1.1.0.1.0.0.1
%e .1.0.1.1.0.1.1.1
%e .1.0.0.0.1.0.0.0
%e .0.1.1.0.1.0.0.0
%e .0.0.1.1.1.0.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_, Nov 04 2008