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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 3 |
| 5 | 5 |
| 6 | 11 |
| 7 | 17 |
| 8 | 41 |
| 9 | 97 |
| 10 | 277 |
| 11 | 1013 |
| 12 | 4789 |
| 13 | 31627 |
| 14 | 314723 |
| 15 | 5195977 |
| 16 | 159490147 |
| 17 | 10443979657 |
[2,2,3,3,5,11,17,41,97,277,1013,4789,31627,314723, 5195977,159490147,10443979657] |