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A119116
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Numbers k such that the k-th triangular number contains only digits {1,3,6}.
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2
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1, 2, 3, 8, 11, 16, 36, 163, 816, 115166, 475633, 1151836, 5677378, 35585421, 35598136, 51596833, 258114833, 1152095166, 11060118546, 112366468411, 1797838514253, 11234888843541, 78909614580621, 1632858433307288
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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