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| n | a(n) |
|---|---|
| 2 | 23 |
| 3 | 31 |
| 4 | 4489 |
| 5 | 53 |
| 6 | 62 |
| 7 | 71 |
| 8 | 80062991 |
| 9 | 961 |
| 10 | 106 |
| 11 | 113 |
| 12 | 124 |
| 13 | 131 |
| 14 | 142 |
| 15 | 158 |
| 16 | 163047361 |
| 17 | 173 |
[23,31,4489,53,62,71,80062991,961,106,113,124,131, 142,158,163047361,173] |