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A119115
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Triangular numbers composed of digits {1,3,6}.
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2
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1, 3, 6, 36, 66, 136, 666, 13366, 333336, 6631661361, 113113613161, 663363661366, 16116313316131, 633161111666331, 633613661136316, 1331116613613361, 33311633636366361, 663661636336331361
(list; graph; refs; listen; history; internal format)
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