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A251972
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Number of (n+1) X (6+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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490000, 60025000, 7353062500, 345888060000, 16270574342400, 410018473428480, 10332465530397696, 167006381634183168, 2699368454168838144, 31245878471405875200, 361679014193888160000, 3225176243350261200000
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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
..0..0..0..0..1..2..2....0..0..0..0..3..1..3....0..0..2..0..2..0..2
..0..1..0..2..0..2..2....0..0..1..0..1..3..3....0..0..0..0..0..1..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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