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A254697
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Number of length n+4 0..7 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms
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1
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8688, 33048, 126456, 469376, 1618264, 4985336, 17080712, 60483408, 214599288, 752272724, 2563107328, 8854381384, 31053941712, 109232749860, 383284939872, 1337155562472, 4669185534048, 16386702006492, 57650707026736
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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=3
..5....5....5....1....4....6....6....5....0....6....1....5....0....3....1....2
..0....7....4....4....3....2....1....0....7....1....1....2....6....4....3....4
..5....1....5....0....3....4....1....3....4....1....7....7....1....1....3....4
..3....0....4....0....3....4....1....3....7....1....1....2....4....3....6....6
..3....1....4....0....5....6....7....5....4....5....1....2....1....5....5....4
..3....2....6....3....1....5....7....3....2....1....2....0....0....3....0....0
..5....7....1....7....5....1....1....7....5....7....1....4....4....6....3....6
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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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