| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 11 |
| 3 | 13 |
| 4 | 157 |
| 5 | 8209 |
| 6 | 31231 |
| 7 | 1608697 |
| 8 | 112328569 |
| 9 | 10247900863 |
| 10 | 21926946241 |
| 11 | 1256492087941 |
| 12 | 101017938127207 |
| 13 | 10019534732186179 |
| 14 | 103820246231814111793 |
| 15 | 6892441533761699205127 |
| 16 | 125403143123000002762783 |
| 17 | 1008021783580817338005763 |
[2,3,11,13,157,8209,31231,1608697,112328569, 10247900863,21926946241,1256492087941, 101017938127207,10019534732186179, 103820246231814111793,6892441533761699205127, 125403143123000002762783, 1008021783580817338005763] |