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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 161 |
| 3 | 116681 |
| 4 | 231522891 |
| 5 | 975712562347 |
| 6 | 7505272434552891 |
| 7 | 95277759368679322731 |
| 8 | 1857880156832803930989761 |
| 9 | 52733838935186721300080099801 |
| 10 | 2089567503476148113065311199746253 |
| 11 | 111791087133977183763608463108036229701 |
| 12 | 7857307594881145913087205140369622059098111 |
[1,1,161,116681,231522891,975712562347, 7505272434552891,95277759368679322731, 1857880156832803930989761, 52733838935186721300080099801, 2089567503476148113065311199746253, 111791087133977183763608463108036229701, 7857307594881145913087205140369622059098111] |