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A116161
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Numbers n such that n concatenated with itself gives the product of two numbers which differ by 8.
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5
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3, 93, 145, 384, 505, 820, 993, 7680, 9993, 20665, 29748, 99993, 480340, 999993, 6694209, 9999993, 77854665, 99999993, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345
(list; graph; refs; listen; history; internal format)
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