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A069674 Triangular numbers whose digit permutations yield at least two further triangular numbers. +0
4
120, 210, 1035, 2080, 4095, 4560, 4950, 5460, 9045, 13530, 15400, 17020, 17205, 17578, 19306, 20100, 20503, 20706, 23005, 30135, 30628, 36046, 37401, 40186, 43071, 43660, 46360, 46971, 50721, 51040, 52003, 53301, 60031, 63190, 66430 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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