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A119798
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Numbers m such that m and 2*m have the same number of distinct digits in decimal representation.
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4
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0, 1, 2, 3, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 56, 57, 58, 59, 61, 72, 83, 94, 100, 101, 102, 103, 104, 105, 107, 108, 109, 110, 111, 112, 113
(list; graph; refs; listen; history; internal format)
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