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A250829
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Number of (n+1)X(3+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column
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1
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119025, 16545428, 1966779166, 170110220357, 12996183984600, 851795610990598, 51181473831661054, 2816729302661137300, 145933375095407907453, 7149735135070921399536, 335665174760242820765979
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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
..1..3..0..3....1..0..1..2....1..1..3..2....1..0..3..0....2..3..3..1
..0..1..4..4....1..1..0..1....0..0..0..3....1..1..2..1....0..1..3..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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