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| n | a(n) |
|---|---|
| 1 | 33113 |
| 2 | 33223 |
| 3 | 77447 |
| 4 | 77557 |
| 5 | 99119 |
| 6 | 99559 |
| 7 | 13134413 |
| 8 | 13138813 |
| 9 | 17172217 |
| 10 | 17177717 |
| 11 | 19191119 |
| 12 | 19192219 |
| 13 | 19194419 |
| 14 | 1919111119 |
| 15 | 1919161619 |
| 16 | 1919171719 |
| 17 | 2121111121 |
| 18 | 23231123 |
| 19 | 23237723 |
| 20 | 2323131323 |
| 21 | 27277727 |
| 22 | 2727131327 |
| 23 | 29295529 |
| 24 | 29297729 |
| 25 | 2929191929 |
| 26 | 31311131 |
| 27 | 3131232331 |
| 28 | 3131282831 |
[33113,33223,77447,77557,99119,99559,13134413, 13138813,17172217,17177717,19191119,19192219, 19194419,1919111119,1919161619,1919171719, 2121111121,23231123,23237723,2323131323,27277727, 2727131327,29295529,29297729,2929191929,31311131, 3131232331,3131282831] |