Search: id:A147050
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%I A147050
%S A147050 1,1,1,1,1,5,17,45,201,861,4033,28285,222873,2292605,26123281,391420701,
%T A147050 6423928729
%N A147050 Number of n X n binary arrays symmetric under 180 degree rotation with 
               all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.
%e A147050 Maximal 8 X 8 example
%e A147050 .0.0.1.0.0.0.1.0
%e A147050 .0.0.1.1.0.0.1.1
%e A147050 .1.1.1.0.1.1.1.0
%e A147050 .0.1.0.0.0.1.0.0
%e A147050 .0.0.1.0.0.0.1.0
%e A147050 .0.1.1.1.0.1.1.1
%e A147050 .1.1.0.0.1.1.0.0
%e A147050 .0.1.0.0.0.1.0.0
%Y A147050 Sequence in context: A099451 A133252 A048612 this_sequence A147397 A147193 
               A147043
%Y A147050 Adjacent sequences: A147047 A147048 A147049 this_sequence A147051 A147052 
               A147053
%K A147050 nonn
%O A147050 1,6
%A A147050 Ron Hardin (rhhardin(AT)att.net), Nov 04 2008

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