%I #4 Mar 31 2012 12:35:10
%S 1,1,1,1,1,1,1,3,9,19,33,73,235,975,4059,17677,73575,388495,2342809,
%T 17238179,130497747,1139591877,10255691217,112977046301
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1000-1111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.1.0.0
%e .0.0.1.1.1.1.0.0
%e .0.1.0.0.1.0.1.1
%e .0.1.0.0.0.1.1.0
%e .0.1.1.0.0.0.1.0
%e .1.1.0.1.0.0.1.0
%e .0.0.1.1.1.1.0.0
%e .0.0.1.0.0.0.0.0
%K nonn
%O 1,8
%A _R. H. Hardin_