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A225899
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Number of nX7 binary arrays whose sum with another nX7 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order
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1
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29, 527, 12910, 396804, 13135919, 415506534, 11798042714, 293929504271, 6410647528344, 123230963555568, 2108540231577387, 32445522511325004, 453328739037902357, 5800810253342331239, 68494482714581515641
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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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EXAMPLE
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Some solutions for n=3
..0..1..1..1..0..1..1....0..0..1..1..0..1..1....0..0..0..1..1..1..1
..1..0..0..0..0..0..1....0..1..0..0..0..0..1....0..1..1..0..0..0..0
..1..0..1..1..1..1..0....0..1..0..0..0..1..1....1..1..1..0..1..1..1
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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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