%I #4 Mar 31 2012 12:35:16
%S 1,1,1,1,1,1,1,1,4,7,14,21,40,79,252,611,2359,6199,23158,70484,325136,
%T 1222235,6869095,29506240,189032773,936666179
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0111-1100-0111 pattern in any orientation.
%e Maximal 9 X 9 example
%e .0.0.0.1.0.1.0.0.0
%e .0.0.0.1.0.1.0.0.0
%e .0.0.0.1.1.1.0.0.0
%e .1.1.1.0.1.0.1.1.1
%e .0.0.1.1.0.1.1.0.0
%e .1.1.1.0.1.0.1.1.1
%e .0.0.0.1.1.1.0.0.0
%e .0.0.0.1.0.1.0.0.0
%e .0.0.0.1.0.1.0.0.0
%K nonn
%O 1,9
%A _R. H. Hardin_