Search: id:A147410
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%I A147410
%S A147410 1,1,1,1,1,1,1,1,1,3,1,5,1,7,5,13,13,43,25,193,49,641,175,2061,865
%N A147410 Number of n X n binary arrays symmetric about the diagonal and under 
               90 degree rotation with all ones connected only in a 1001-1001-1111 
               pattern in any orientation.
%e A147410 Maximal 10 X 10 example
%e A147410 .0.0.0.1.0.0.1.0.0.0
%e A147410 .0.0.0.1.0.0.1.0.0.0
%e A147410 .0.0.0.1.1.1.1.0.0.0
%e A147410 .1.1.1.0.0.0.0.1.1.1
%e A147410 .0.0.1.0.0.0.0.1.0.0
%e A147410 .0.0.1.0.0.0.0.1.0.0
%e A147410 .1.1.1.0.0.0.0.1.1.1
%e A147410 .0.0.0.1.1.1.1.0.0.0
%e A147410 .0.0.0.1.0.0.1.0.0.0
%e A147410 .0.0.0.1.0.0.1.0.0.0
%Y A147410 Sequence in context: A095112 A160596 A092319 this_sequence A146623 A029669 
               A050329
%Y A147410 Adjacent sequences: A147407 A147408 A147409 this_sequence A147411 A147412 
               A147413
%K A147410 nonn
%O A147410 1,10
%A A147410 Ron Hardin (rhhardin(AT)att.net)

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