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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 259 |
| 4 | 45325 |
| 5 | 35398825 |
| 6 | 119187843775 |
| 7 | 1692109818073675 |
| 8 | 99792176520894983125 |
| 9 | 24195710911432718503470625 |
| 10 | 23942309231057283642583777144375 |
| 11 | 96180015123706384385790918441966041875 |
[1,7,259,45325,35398825,119187843775, 1692109818073675,99792176520894983125, 24195710911432718503470625, 23942309231057283642583777144375, 96180015123706384385790918441966041875] |