Search: id:A147397
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%I A147397
%S A147397 1,1,1,5,17,45,217,1729,28581,422837,7769557,212491441,9353130173,
%T A147397 579241228119
%N A147397 Number of n X n binary arrays with all ones connected only in a 1000-1110-0111-0001 
               pattern in any orientation.
%e A147397 Maximal 8 X 8 example
%e A147397 .1.1.0.0.1.1.0.0
%e A147397 .0.1.1.0.0.1.1.0
%e A147397 .0.1.1.0.0.1.1.0
%e A147397 .0.0.1.1.0.0.1.1
%e A147397 .1.0.0.0.1.0.0.0
%e A147397 .1.1.1.0.1.1.1.0
%e A147397 .0.1.1.1.0.1.1.1
%e A147397 .0.0.0.1.0.0.0.1
%Y A147397 Sequence in context: A133252 A048612 A147050 this_sequence A147193 A147043 
               A146264
%Y A147397 Adjacent sequences: A147394 A147395 A147396 this_sequence A147398 A147399 
               A147400
%K A147397 nonn
%O A147397 1,4
%A A147397 Ron Hardin (rhhardin(AT)att.net)

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