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A249198
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Number of length 1+6 0..n arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four
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1
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126, 1792, 14126, 66948, 240870, 708106, 1809164, 4132884, 8660148, 16906050, 31160178, 54655272, 92036364, 149466688, 235339342, 360504886, 539097832, 788739364, 1132032790, 1596244230, 2215426766, 3030421562, 4090720256
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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=4
..4....1....1....2....0....1....4....4....4....1....4....2....4....3....0....4
..1....3....2....4....3....0....1....1....4....3....3....1....3....1....1....4
..0....2....1....3....2....3....2....1....2....1....3....3....1....0....3....4
..2....1....0....3....0....3....4....4....4....1....0....1....1....2....0....4
..3....2....3....0....2....1....3....0....0....1....1....2....2....1....0....0
..1....0....2....0....2....2....4....4....2....3....0....0....1....4....4....2
..4....3....4....3....4....0....1....3....2....3....1....0....1....0....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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