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A250013
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Number of length n+5 0..7 arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms
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1
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182000, 1140160, 7259024, 46481536, 298220320, 1914587120, 12294501768, 78993574080, 507664903912, 3262820072464, 20971032768776, 134788324456432, 866341705785656, 5568413029997168, 35791244804470984, 230050811550911456
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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=1
..1....0....3....2....1....0....0....3....1....2....0....3....1....3....3....1
..7....6....5....6....6....6....3....0....7....1....2....1....5....7....6....2
..7....3....7....0....3....4....1....7....4....5....0....5....0....1....7....5
..1....2....4....2....7....1....6....6....5....7....0....6....0....5....5....6
..2....6....2....0....7....7....5....4....1....1....3....0....4....2....1....0
..4....1....7....0....2....7....7....7....3....6....3....1....6....4....7....5
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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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