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A162101
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Number of n X n binary arrays with rows and columns, considered as binary numbers, in strictly increasing order, and no more than 2 ones in any row or column
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0
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2, 3, 11, 44, 203, 1083, 6424, 41908, 297357, 2274237, 18618870, 162222857, 1496925971, 14568783883, 149016495539
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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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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