| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 13 |
| 4 | 19 |
| 5 | 37 |
| 6 | 43 |
| 7 | 79 |
| 8 | 163 |
| 9 | 223 |
| 10 | 229 |
| 11 | 608981812891 |
| 12 | 608981812951 |
| 13 | 608981812993 |
| 14 | 608981813507 |
| 15 | 608981813621 |
| 16 | 608981813819 |
| 17 | 608981813837 |
| 18 | 608981813861 |
| 19 | 608981813929 |
| 20 | 608981813941 |
| 21 | 608981814019 |
| 22 | 608981814143 |
| 23 | 608981814247 |
| 24 | 608981814823 |
[3,7,13,19,37,43,79,163,223,229,608981812891, 608981812951,608981812993,608981813507, 608981813621,608981813819,608981813837, 608981813861,608981813929,608981813941, 608981814019,608981814143,608981814247, 608981814823] |