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A073418
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Useless numbers: numbers without e, s or u.
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0
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2, 40, 42, 50, 52, 90, 92, 200, 240, 242, 250, 252, 290, 292, 2000000, 2000002, 2000040, 2000042, 2000050, 2000052, 2000090, 2000092, 2000200, 2000240, 2000242, 2000250, 2000252, 2000290, 2000292, 40000000, 40000002, 40000040
(list; graph; refs; listen; history; internal format)
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