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A278370
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Number of nX6 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
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1
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77, 194726, 138641633, 71569971497, 30875729085512, 11975306266312114, 4248736162137280596, 1369281911256465678346, 399847654202980383002891, 106575448365556432324891769, 26256730686462803008566514303
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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
..1..0..1..2..0..2. .2..1..2..0..1..2. .1..2..0..0..1..1. .0..2..0..1..1..0
..0..1..2..2..1..1. .0..0..2..1..1..1. .0..2..0..1..2..1. .1..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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