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Search: id:A110404
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| A110404 |
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Least multiple of n which is a repeated reverse concatenation of digits of n where n == 1, 3, 7 or 9 (mod 10). |
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| 1, 3, 7, 9, 11, 313131, 7171717171717171, 919191919191919191, 121212, 3232323232323232323232, 727272, 9292929292929292929292929292, 131313131313131313131313131313, 33, 737373, 939393, 1414141414
(list; graph; listen)
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