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A116162
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Numbers n such that n concatenated with itself gives the product of two numbers which differ by 9.
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4
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2, 92, 180, 332, 486, 536, 992, 9720, 9992, 13220, 40502, 99992, 941486, 999992, 2066120, 2975202, 9999992, 77854680, 99999992, 123250136, 162423540, 243964010, 256109750, 356387462, 421110162, 542936282, 547361900
(list; graph; refs; listen; history; internal format)
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