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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 211 |
| 3 | 1031 |
| 4 | 22741 |
| 5 | 41 |
| 6 | 15487770335331184216023237599647357572461782407557681 |
| 7 | 311 |
| 8 | 61 |
| 9 | 55172461 |
| 10 | 3541 |
| 11 | 1381 |
| 12 | 2851 |
| 13 | 19841 |
| 14 | 151 |
| 15 | 9033671 |
| 16 | 456802301 |
| 17 | 1720715817015281 |
| 18 | 19001 |
| 19 | 71 |
[11,211,1031,22741,41, 15487770335331184216023237599647357572461782407557\ 681,311,61,55172461,3541,1381,2851,19841,151, 9033671,456802301,1720715817015281,19001,71] |