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%I A147322 #4 Mar 31 2012 12:35:16
%S A147322 1,1,1,1,1,1,1,1,2,3,5,9,15,23,50,117,289,741,2046,5466,16079,52199,
%T A147322 188773,719705,3000618
%N A147322 Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 00100-00100-00100-11111 pattern in any orientation.
%e A147322 Maximal 9 X 9 example
%e A147322 .0.0.1.1.1.1.1.0.0
%e A147322 .0.0.0.0.1.0.0.0.0
%e A147322 .1.0.0.0.1.0.0.0.1
%e A147322 .1.0.0.0.1.0.0.0.1
%e A147322 .1.1.1.1.0.1.1.1.1
%e A147322 .1.0.0.0.1.0.0.0.1
%e A147322 .1.0.0.0.1.0.0.0.1
%e A147322 .0.0.0.0.1.0.0.0.0
%e A147322 .0.0.1.1.1.1.1.0.0
%K A147322 nonn
%O A147322 1,9
%A A147322 _R. H. Hardin_

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