%I A147063
%S A147063 1,1,1,1,1,1,2,3,6,9,16,23,74,177,647,1682,5837,15849,74186,276554,
%T A147063 1634940,7124985,45487535,222097984,1721224041,10469414217,99805923832
%N A147063 Number of n X n binary arrays symmetric about both diagonal and antidiagonal 
               with all ones connected only in a 01010-11111 pattern in any orientation.
%e A147063 Maximal 8 X 8 example
%e A147063 .0.0.1.1.1.1.1.0
%e A147063 .0.0.0.1.0.1.0.1
%e A147063 .1.0.0.0.0.0.1.1
%e A147063 .1.1.0.0.0.0.0.1
%e A147063 .1.0.0.0.0.0.1.1
%e A147063 .1.1.0.0.0.0.0.1
%e A147063 .1.0.1.0.1.0.0.0
%e A147063 .0.1.1.1.1.1.0.0
%Y A147063 Sequence in context: A051057 A147364 A147227 this_sequence A007865 A052812 
               A062114
%Y A147063 Adjacent sequences: A147060 A147061 A147062 this_sequence A147064 A147065 
               A147066
%K A147063 nonn
%O A147063 1,7
%A A147063 Ron Hardin (rhhardin(AT)att.net), Nov 04 2008