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A249213
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Number of length 1+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five
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1
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126, 1792, 14336, 67452, 242494, 714980, 1826748, 4173442, 8762390, 17110282, 31597020, 55472158, 93560894, 152043682, 239777076, 367458644, 550136314, 805205100, 1156638980, 1631284144, 2265657954, 3099326244, 4185802572
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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....3....1....1....1....1....2....4....2....0....4....3....1....3....2....3
..1....0....4....4....1....4....1....2....2....1....4....4....1....2....3....2
..4....1....4....0....3....3....4....2....4....2....2....2....1....1....4....2
..1....1....4....0....2....2....3....2....0....0....2....4....1....1....4....1
..2....4....1....0....3....4....4....1....1....2....2....0....0....2....3....4
..1....0....3....4....0....3....3....4....1....1....2....1....4....4....4....1
..3....4....2....2....0....0....0....3....0....2....1....2....1....2....3....3
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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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