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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 11 |
| 3 | 17 |
| 4 | 23 |
| 5 | 71 |
| 6 | 71 |
| 7 | 599 |
| 8 | 599 |
| 9 | 3011 |
| 10 | 27901 |
| 11 | 52163 |
| 12 | 778699 |
| 13 | 2374649 |
| 14 | 10428007 |
[2,11,17,23,71,71,599,599,3011,27901,52163,778699, 2374649,10428007] |