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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 525 |
| 3 | 52149 |
| 4 | 7517433 |
| 5 | 1305588167 |
| 6 | 253772079771 |
| 7 | 53017222883467 |
| 8 | 11639090021203169 |
[9,525,52149,7517433,1305588167,253772079771, 53017222883467,11639090021203169] |