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| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 34 |
| 2 | 1154 |
| 3 | 1331714 |
| 4 | 1773462177794 |
| 5 | 3145168096065837266706434 |
| 6 | 9892082352510403757550172975146702122837936996354 |
[6,34,1154,1331714,1773462177794, 3145168096065837266706434, 9892082352510403757550172975146702122837936996354] |