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A201987
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Number of nX5 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing
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0
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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=2
.-3.-1..0..2..3...-3.-3..2..2..3...-3.-1..0..2..3...-3.-1..2..2..3
..2..2..0.-2.-3....2..3.-2.-2.-2....3..2.-3.-1.-2...-3..2..0..0.-2
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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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