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A119042
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Numbers n such that the n-th triangular number contains only digits {0,1,6}.
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2
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1, 3, 4, 11, 36, 141, 179, 363, 1095, 3633, 4473, 4704, 36333, 44758, 46079, 46904, 57620, 1414920, 1460141, 4474371, 14560288, 348310541, 1822424761720, 34670191840011, 471172177895936, 4472359691719799
(list; graph; refs; listen; history; internal format)
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