| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 100 |
| 4 | 9261000 |
| 5 | 103306896 |
| 6 | 16274381169926880 |
| 7 | 98925457477919384169000000 |
| 8 | 8078021071852487276180833326494285813758890000000 |
| 9 | 20381485968895666256747501044033896769440000 |
[2,6,100,9261000,103306896,16274381169926880, 98925457477919384169000000, 8078021071852487276180833326494285813758890000000, 20381485968895666256747501044033896769440000] |
