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A119175
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Numbers n such that the n-th triangular number contains only digits {2,6,8}.
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2
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3, 7, 11, 36, 72, 676, 1287, 2108, 11512, 21112, 23927, 35447, 37112, 41527, 67323, 35289847, 41633847, 11684368072, 24026103588, 364110500487, 7566093164465563
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