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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 1433849 |
| 5 | 9816899 |
| 6 | 445480319 |
| 7 | 298098924131 |
| 8 | 1372604395439 |
[2,2,2,1433849,9816899,445480319,298098924131, 1372604395439] |