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A116194
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Numbers n such that n concatenated with n+5 gives the product of two numbers which differ by 6.
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5
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1, 2, 10, 47, 550, 802, 570035, 623387, 1327222, 4041011, 8252210, 164398539591831062, 173868055738777586, 339918283297349107, 353476744122425611, 846974882088186070, 868300386379144450
(list; graph; refs; listen; history; internal format)
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