| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 31 |
| 5 | 43 |
| 6 | 773 |
| 7 | 7951 |
| 8 | 52057 |
| 9 | 64901 |
| 10 | 393121 |
| 11 | 56577108676171 |
| 12 | 940647607443258103531 |
| 13 | 5237879497657222310489731409575442761 |
| 14 | 9026258083384996860449366072142307801963 |
| 15 | 19900335674812302969315720344396951060628175943800862267761734431012073266446403 |
[2,3,5,31,43,773,7951,52057,64901,393121, 56577108676171,940647607443258103531, 5237879497657222310489731409575442761, 9026258083384996860449366072142307801963, 19900335674812302969315720344396951060628175943800\ 862267761734431012073266446403] |