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| n | a(n) |
|---|---|
| 4 | 257 |
| 5 | 23 |
| 6 | 13 |
| 7 | 229 |
| 8 | 11 |
| 9 | 13 |
| 10 | 13 |
| 11 | 599 |
| 12 | 29 |
| 13 | 109 |
| 14 | 541 |
| 15 | 29 |
| 16 | 83 |
| 17 | 4099 |
| 18 | 2011 |
| 19 | 23 |
| 20 | 47 |
| 21 | 2042851 |
| 22 | 115981 |
[257,23,13,229,11,13,13,599,29,109,541,29,83,4099, 2011,23,47,2042851,115981] |