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A183952
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Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i) equal to n^2*8
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1
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1, 3, 9, 48, 259, 1387, 7099, 34847, 163588, 737538, 3200055, 13400036, 54289217, 213301597, 814463579, 3028171125, 10981909481, 38908787433, 134868584027, 457962911722, 1525173224446, 4987066348804, 16026405323579, 50662230359800
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OFFSET
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1,2
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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....7....5....0....3....4....4....0....1....2....8....2....8....3....4....8
..1....8....7....2....5....1....7....0....0....2....6....3....4....1....2....8
..3....1....7....8....1....8....0....0....7....6....0....2....8....1....4....8
..6....5....2....3....6....3....6....8....4....4....6....6....2....7....5....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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