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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 5175 |
| 3 | 1293651 |
| 4 | 983320335 |
| 5 | 2806943351103 |
| 6 | 25357269654789183 |
| 7 | 816485466267634598145 |
[81,5175,1293651,983320335,2806943351103, 25357269654789183,816485466267634598145] |