Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Mar 31 2012 12:35:09
%S 1,1,1,1,1,1,10,5,44,17,490,45,3832,281,72349,4672,1945156,78267,
%T 77811492,1571678,4162726786,52679419,355835905036,3071977536,
%U 44996289731531,240721783237
%N Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 110-111-110 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.0.0.0.0.1.1
%e .1.1.1.0.0.1.1.1
%e .1.1.0.0.0.0.1.1
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.0.0
%e .1.1.0.0.0.0.1.1
%e .1.1.1.0.0.1.1.1
%e .1.1.0.0.0.0.1.1
%K nonn
%O 1,7
%A _R. H. Hardin_