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A116208
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Numbers n such that n concatenated with n+7 gives the product of two numbers which differ by 6.
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5
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145, 384, 505, 820, 7680, 20665, 29748, 480340, 6694209, 77854665, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345, 404958673, 448003540, 451671060, 478271265
(list; graph; refs; listen; history; internal format)
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