Search: id:A147364
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%I A147364
%S A147364 1,1,1,1,1,1,2,3,6,9,16,23,72,173,621,1620,5393,14347,63207,232978,
%T A147364 1333190,5780677,34593611,163090674,1165840626,6871746297
%N A147364 Number of n X n binary arrays symmetric about both diagonal and antidiagonal 
               with all ones connected only in a 01110-11111 pattern in any orientation.
%e A147364 Maximal 8 X 8 example
%e A147364 .0.0.1.1.1.1.1.0
%e A147364 .0.0.0.1.1.1.0.1
%e A147364 .1.0.0.0.0.0.1.1
%e A147364 .1.1.0.0.0.0.1.1
%e A147364 .1.1.0.0.0.0.1.1
%e A147364 .1.1.0.0.0.0.0.1
%e A147364 .1.0.1.1.1.0.0.0
%e A147364 .0.1.1.1.1.1.0.0
%Y A147364 Sequence in context: A003244 A115995 A051057 this_sequence A147227 A147063 
               A007865
%Y A147364 Adjacent sequences: A147361 A147362 A147363 this_sequence A147365 A147366 
               A147367
%K A147364 nonn
%O A147364 1,7
%A A147364 Ron Hardin (rhhardin(AT)att.net)

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