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A223848
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Number of nX6 0..3 arrays with rows and columns unimodal
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1
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610, 372100, 87613063, 9625018705, 594861333098, 23571122875874, 655695544507798, 13664368909406118, 223826020405698042, 2989255089012594574, 33493784878205412870, 322121609577947478872
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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..0..0..0..3..2....0..0..0..0..1..2....0..0..0..3..1..0....0..0..0..1..3..0
..0..0..0..2..2..1....0..0..0..0..2..2....0..0..0..0..1..3....0..0..0..1..3..3
..0..0..0..1..0..0....0..0..1..3..1..0....0..0..0..0..3..1....0..0..2..3..0..0
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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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