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A116140
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Numbers n such that n concatenated with n-3 gives the product of two numbers which differ by 9.
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4
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5, 7403, 8885, 12563, 41675, 54239, 2353623, 2650793, 7717533, 527390351115, 567933643889, 627121279653, 671264212463, 1335723019653517755, 2049430589972661489, 2995303155542192885, 4026214090447622723
(list; graph; refs; listen; history; internal format)
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