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A278552
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Number of n X 6 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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2128, 4880813, 9647190761, 19154084929099, 35461508433808988, 57645968168131680420, 82417111259567413303205, 106532272120153272376122742, 128078032305270145287175836766
(list;
graph;
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..0..1..3..0..3. .2..1..0..1..1..2. .1..0..2..3..2..2. .2..3..0..2..2..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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