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A247723
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Number of length n+3 0..5 arrays with no disjoint pairs in any consecutive four terms having the same sum
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1
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960, 4344, 19744, 89836, 408644, 1859736, 8465936, 38539276, 175434372, 798617096, 3635558924, 16550179186, 75341145844, 342975158260, 1561327118072, 7107632671418, 32356074089200, 147294571289114, 670529272776912
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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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FORMULA
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Empirical recurrence of order 76 (see link above)
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EXAMPLE
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Some solutions for n=4
..2....4....4....1....0....3....0....2....4....3....5....0....2....1....3....2
..1....4....3....4....1....4....4....0....1....0....5....2....5....2....4....4
..2....3....0....0....2....2....4....5....0....1....3....3....1....0....2....1
..2....0....3....1....2....0....2....4....4....1....5....0....3....4....4....0
..5....5....2....0....4....0....4....4....2....5....5....4....2....1....0....0
..2....0....0....0....5....3....0....4....0....3....1....0....3....4....4....3
..1....1....4....2....0....2....1....1....4....1....5....0....1....3....2....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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