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A251971
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Number of (n+1)X(5+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column
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1
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160000, 12250000, 937890625, 29412250000, 922368160000, 16270574342400, 287012931399936, 3373866295640064, 39660142577319936, 344307200786841600, 2989082761932960000, 20503345475844000000, 140640861824100000000
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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
..2..1..2..3..3..3....0..1..3..2..3..2....0..1..1..3..2..3....0..2..2..2..2..3
..2..1..2..1..2..2....2..0..2..2..2..3....0..3..0..3..3..3....0..0..1..2..1..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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