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A119202
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Triangular numbers composed of digits {4,5,6}.
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2
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6, 45, 55, 66, 465, 666, 4465, 4656, 5565, 6555, 46665, 544446, 4465566, 5456556, 5656566, 64564566, 4565545455565, 4664644554466, 56466665456545, 555445466565465, 555445666545666, 555665666566566, 4446456564566646
(list; graph; refs; listen; history; internal format)
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