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A180767
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Half the number of nX7 binary arrays with each element equal to at least one neighbor
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1
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8, 1172, 89602, 7053923, 561487456, 44560487654, 3538520414645, 280971809714842, 22310318523546774, 1771532822371947357, 140667082973087038600, 11169552997132511054788, 886909077729036810872471
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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