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A214902
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Number of nXnXn triangular 0..4 arrays with every horizontal row nondecreasing and having the same average value
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1
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5, 9, 29, 182, 1802, 29162, 657722, 21063242, 892354322, 48771558002, 3355941877202, 288300261981602, 29970020819138402, 3775596638574103202, 566303743347081854402, 100233490058027413401602
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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=4
.....1........2........3........2........1........3........2........2
....1.1......0.4......2.4......2.2......0.2......3.3......1.3......0.4
...0.1.2....0.2.4....3.3.3....1.1.4....0.0.3....2.3.4....1.1.4....0.2.4
..0.0.0.4..0.2.3.3..0.4.4.4..1.1.2.4..1.1.1.1..1.3.4.4..0.1.3.4..1.2.2.3
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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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