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Search: id:A116287
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| A116287 |
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Numbers n such that n times n+3 gives the concatenation of a number m with itself. |
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6
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| 8, 98, 767, 858, 910, 998, 3285, 6713, 9998, 45452, 54546, 99998, 990100, 999998, 8181819, 9999998, 70588233, 99999998, 343130554, 362637363, 363636361, 420053631, 421052632, 497975709, 502024289, 578947366, 579946367
(list; graph; listen)
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