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A214591
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Number of nXnXn triangular 0..4 arrays with every horizontal row having the same average value
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1
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5, 13, 157, 10177, 3330677, 5495329427, 43988453613377, 1673440688496376877, 301618636251020715984377, 258456549967842122873898234377, 1057468726916674176186809546298140627
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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........1........2........2........2........2........2........2
....2.0......2.0......3.1......4.0......2.2......0.4......4.0......2.2
...2.0.1....0.1.2....2.4.0....2.2.2....4.1.1....1.3.2....1.2.3....0.3.3
..0.1.1.2..2.0.0.2..1.4.2.1..4.1.2.1..2.3.3.0..2.0.3.3..2.3.1.2..4.1.3.0
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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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