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A249004
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Number of length 3+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two
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1
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112, 1140, 8680, 42308, 163112, 485580, 1298968, 2997774, 6449496, 12811158, 24159584, 42911184, 73629888, 120844328, 193152322, 298869080, 452268778, 666984964, 966771826, 1372738118, 1920965096, 2643444158, 3592832436
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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=5
..1....4....4....0....3....3....1....4....1....0....4....1....0....1....1....3
..1....4....1....0....5....3....0....0....4....4....3....1....2....5....1....2
..2....5....2....2....1....1....0....3....0....2....0....5....2....3....1....0
..0....2....4....4....1....3....0....3....2....1....2....2....0....3....4....3
..0....1....1....5....4....3....0....3....5....5....0....0....5....5....2....3
..5....0....5....5....3....1....5....5....3....5....3....5....3....3....5....1
..1....1....4....0....2....1....4....3....5....4....4....1....2....4....2....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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