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A116131
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Numbers n such that n concatenated with n-4 gives the product of two numbers which differ by 6.
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5
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20, 31, 14564, 38239, 69919, 120395, 426436, 902596, 7478020, 9090220, 6671332084, 8114264059, 8482227259, 9900250996, 2244338786836, 2490577152964, 2509440638591, 2769448208395, 7012067592220
(list; graph; refs; listen; history; internal format)
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