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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 559 |
| 3 | 1589 |
| 4 | 1589 |
| 5 | 162248 |
| 6 | 399579 |
| 7 | 3346228 |
| 8 | 24658601 |
| 9 | 24658601 |
| 10 | 22869046249 |
| 11 | 165431035708 |
| 12 | 368299898266 |
| 13 | 10541103245815 |
| 14 | 14793486898235 |
| 15 | 46970519777308 |
[13,559,1589,1589,162248,399579,3346228,24658601, 24658601,22869046249,165431035708,368299898266, 10541103245815,14793486898235,46970519777308] |