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A119051
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Triangular numbers composed of digits {0,2,5}.
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2
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55, 5050, 25200, 255255, 500500, 50005000, 525220255, 2250500505, 5000050000, 22052205055, 500000500000, 520022025225, 2205022050055, 2225205025200, 5220005220550, 50000005000000, 220500220500055, 550250022200005
(list; graph; refs; listen; history; internal format)
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