| n | a(n) |
|---|---|
| 2 | 5 |
| 3 | 7 |
| 4 | 41 |
| 5 | 479 |
| 6 | 59 |
| 7 | 266681 |
| 8 | 63397 |
| 9 | 514639 |
| 10 | 178939 |
| 11 | 242101 |
| 12 | 18500393 |
| 13 | 40799043101 |
| 14 | 190297 |
| 15 | 1844659 |
| 16 | 78206663 |
| 17 | 616798327 |
| 18 | 38512247 |
| 19 | 86364397717734821 |
| 20 | 421950627598601 |
| 21 | 84786899 |
| 22 | 52030193 |
| 23 | 31411862913089 |
| 24 | 1422157053067 |
| 25 | 47961582392203 |
| 26 | 8408339 |
| 27 | 6269019298981 |
[5,7,41,479,59,266681,63397,514639,178939,242101, 18500393,40799043101,190297,1844659,78206663, 616798327,38512247,86364397717734821, 421950627598601,84786899,52030193,31411862913089, 1422157053067,47961582392203,8408339, 6269019298981] |