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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 11 |
| 3 | 13 |
| 4 | 2073601 |
| 5 | 146313215999 |
| 6 | 52563198423859200001 |
| 7 | 709885457731229765106401279999999 |
| 8 | 15120395453651827088974983182763034097693491200000000001 |
[3,11,13,2073601,146313215999, 52563198423859200001, 709885457731229765106401279999999, 15120395453651827088974983182763034097693491200000\ 000001] |