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A183945
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Number of strings of numbers x(i=1..n) in 0..n with sum i^2*x(i) equal to n^3
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1
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1, 1, 2, 8, 53, 398, 3539, 34847, 369777, 4178324, 49657281, 615829513, 7919376470, 105084836323, 1433178519184, 20025465352373, 285916536136122, 4162074154247193, 61656883471361641, 928025931557339662
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OFFSET
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1,3
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COMMENTS
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LINKS
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EXAMPLE
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All solutions for n=4
..0....2....4....1....0....3....4....0
..3....3....2....1....0....1....3....4
..4....2....4....3....0....1....0....0
..1....2....1....2....4....3....3....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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