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A278551
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Number of nX5 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.
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1
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456, 385040, 256173362, 157222953688, 81144920762300, 35461508433808988, 13763018389926177995, 4934142560387144138930, 1663165686767641686800894, 527405729349278899694924962, 156386875782050138370221520321
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refs;
listen;
history;
text;
internal format)
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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=1
..3..3..2..0..1. .0..1..0..3..2. .3..0..1..0..2. .1..2..2..1..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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