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A119102 Numbers n such that the n-th triangular number contains only digits {1,2,5}. +0
3
1, 5, 6, 10, 49, 66, 101, 174, 205, 210, 550, 666, 714, 4806, 5010, 6498, 6666, 10114, 14914, 22410, 66666, 71449, 471701, 495005, 666666, 1500101, 2246130, 3241950, 6666666, 15591825, 17408114, 66666666, 666666666, 1024813373, 1581866714 (list; graph; listen)
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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