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A116154
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Numbers n such that n concatenated with itself gives the product of two numbers which differ by 1.
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4
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132, 406, 510, 852, 7930, 66942, 113322, 440056, 5289256, 58477510, 111333222, 164378892, 183673470, 200444410, 206611570, 224376732, 277008310, 297520662, 305024040, 326530612, 353505556, 444000556, 479289942
(list; graph; refs; listen; history; internal format)
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