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A119035
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Triangular numbers composed of digits {0,1,3}.
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2
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1, 3, 10, 300, 3003, 10011, 303031, 1010331, 1030330, 1313010, 101111310, 113033130, 1033010331, 11031100311, 11033031331, 31031010003, 111111101310, 313313301003, 10113301131300, 3330130113300130003
(list; graph; refs; listen; history; internal format)
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