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A119070
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Numbers k such that the k-th triangular number contains only digits {0,3,9}.
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2
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2, 24, 42, 44, 77, 260, 282, 824, 1364, 8835, 44517, 88419, 89375, 256917, 282842, 426600, 2603844, 14141435, 424287482, 894359435, 24629287602, 81351102024, 137064943244, 1371082295364, 2489711201364, 8870066515082
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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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