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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 13 |
| 3 | 3554677 |
| 4 | 7339129 |
| 5 | 8125441 |
| 6 | 910156807 |
| 7 | 2080358881 |
| 8 | 14914915687 |
[2,13,3554677,7339129,8125441,910156807, 2080358881,14914915687] |