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A254942
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Number of length n 1..(3+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.
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1
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3, 12, 48, 173, 548, 1551, 4076, 10963, 31852, 94440, 270418, 762863, 2194247, 6360016, 18025360, 49901445, 139143011, 403068915, 1215708705, 3727871268, 11315711755, 33574977278, 97710812122, 281692493898, 808949419962
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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....4....4....3....2....2....2....2....3....2....4....3....3....3....2....2
..3....1....2....4....3....2....3....3....3....2....4....4....1....3....2....3
..4....1....2....4....3....2....2....3....2....1....2....2....1....3....3....1
..4....2....1....4....2....4....1....1....3....2....2....2....3....3....2....2
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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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