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A119085
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Triangular numbers composed of digits {0,5,9}.
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2
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55, 595, 990, 5050, 5995, 500500, 50005000, 50909095, 50999950, 505000090, 5000050000, 500000500000, 500999999500, 955909595955, 9055595509950, 50000005000000, 59000000095590, 95595999550590, 5000000050000000
(list; graph; refs; listen; history; internal format)
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