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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 163 |
| 3 | 23623 |
| 4 | 6751251 |
| 5 | 3219777011 |
| 6 | 2313306332191 |
| 7 | 2337707082109071 |
| 8 | 3163417897474821763 |
| 9 | 5524913023443862515019 |
| 10 | 12101947272421487464092429 |
| 11 | 32493996621780038121738419591 |
| 12 | 104964758754905547830609842389527 |
| 13 | 401618040258524641485654323795309235 |
[1,3,163,23623,6751251,3219777011,2313306332191, 2337707082109071,3163417897474821763, 5524913023443862515019,12101947272421487464092429, 32493996621780038121738419591, 104964758754905547830609842389527, 401618040258524641485654323795309235] |