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A119199
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Numbers k such that the k-th triangular number contains only digits {3,6,9}.
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2
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2, 3, 8, 11, 36, 816, 1368, 1388, 2816, 89408, 445788, 11284236, 26064036, 35598783, 281768343, 1414001388, 8594921016, 117759639662036, 887689581254543, 894084295764816, 2581990177997183, 2696788235658743
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OFFSET
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1,1
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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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