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A224063
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Number of nX7 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing
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0
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1163, 180821, 6643979, 114643788, 1274747540, 11060805360, 83942450048, 591725806925, 3973992584299, 25579886531225, 157381574935619, 920939113739591
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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=3
..0..0..0..0..0..2..0....0..0..0..0..0..1..0....0..0..0..0..0..0..1
..0..0..0..0..0..3..2....0..0..0..2..2..2..3....0..0..0..1..1..2..1
..0..0..0..0..1..2..3....0..0..0..1..2..3..2....0..0..0..1..2..3..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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