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A225898
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Number of nX6 binary arrays whose sum with another nX6 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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22, 304, 5052, 93428, 1706655, 28401254, 415506534, 5301203235, 59290115703, 587323294703, 5212389996817, 41899219805623, 308062668217181, 2089563223989402, 13172746281602431, 77676147517334724, 430830309908084671
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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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FORMULA
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Empirical polynomial of degree 64 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..1..1..1..1....0..0..0..1..1..1....0..1..1..0..1..1....0..0..0..0..1..1
..0..0..1..1..1..1....0..1..1..0..1..1....1..0..0..0..0..1....0..0..1..0..1..1
..1..1..0..1..0..1....1..0..0..0..0..1....1..0..1..1..1..0....0..1..1..1..0..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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