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A278411
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Number of nX5 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.
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1
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90, 22267, 3576730, 514122657, 62922179364, 6584300364020, 615691843257769, 53477639726024161, 4387410446730955493, 339567886171232998387, 24599607739826174384488, 1657477158622895134648601
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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=2
..2..0..2..2..2. .1..2..0..0..1. .0..0..0..2..1. .1..1..1..1..2
..1..2..1..1..1. .0..0..2..2..1. .1..0..1..0..2. .0..0..2..1..2
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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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