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Search: id:A116120
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| A116120 |
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Numbers n such that n concatenated with n-5 gives the product of two numbers which differ by 1. |
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+0
5
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| 7, 55, 5255, 6295, 75511, 92137, 5551405, 7943911, 1257669432489239675, 2148743977942130765, 2877834685014859837, 4164942361780146967, 10235898967817894552965, 15389481849681116007757
(list; graph; listen)
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