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A184124
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Number of nX4 0..3 arrays with rows and columns in nondecreasing order
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1
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35, 2861, 276427, 21907055, 1361812470, 68564445616, 2895890669208, 105444472863183, 3378291908588468, 96731087997530019, 2505731171609500353, 59302593647075171521, 1292712426187108744457, 26131939998738083235224
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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 3X4
..0..0..2..3....0..0..0..2....0..0..1..1....0..0..1..1....0..0..3..3
..0..2..1..2....0..1..1..3....0..3..3..3....0..1..3..3....0..2..1..1
..3..1..0..0....2..1..2..1....2..0..2..2....1..0..0..3....1..0..0..3
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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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