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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 23 |
| 3 | 71983 |
| 4 | 59280758269 |
| 5 | 16913492177093188294859 |
| 6 | 5122675745984257357873512804013239827 |
| 7 | 4237683625666802603266159755806379107958975382128522814879 |
[1,23,71983,59280758269,16913492177093188294859, 5122675745984257357873512804013239827, 42376836256668026032661597558063791079589753821285\ 22814879] |