Search: id:A146178
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%I A146178
%S A146178 1,1,1,1,5,29,161,905,3749,24539,286931,3046339,51706885,1159037433,
%T A146178 32728917231,966827028811
%N A146178 Number of n X n binary arrays symmetric under 180 degree rotation with 
               all ones connected only in a 110-100-111 pattern in any orientation.
%e A146178 Maximal 8 X 8 example
%e A146178 .0.0.0.0.0.0.0.0
%e A146178 .0.0.0.0.1.1.1.0
%e A146178 .1.1.1.0.1.0.1.0
%e A146178 .1.0.1.0.1.0.0.1
%e A146178 .1.0.0.1.0.1.0.1
%e A146178 .0.1.0.1.0.1.1.1
%e A146178 .0.1.1.1.0.0.0.0
%e A146178 .0.0.0.0.0.0.0.0
%Y A146178 Sequence in context: A065541 A060926 A098780 this_sequence A015537 A141812 
               A001653
%Y A146178 Adjacent sequences: A146175 A146176 A146177 this_sequence A146179 A146180 
               A146181
%K A146178 nonn
%O A146178 1,5
%A A146178 Ron Hardin (rhhardin(AT)att.net), Oct 27 2008

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