| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 265926 |
| 3 | 9909504 |
| 4 | 28123200 |
| 5 | 34171875 |
| 6 | 9833523682950 |
| 7 | 189619679700 |
| 8 | 1489258878162739200 |
| 9 | 32051313254079000000000 |
| 10 | 231538926078057635957250 |
| 11 | 5980078350588060426240000 |
[9,265926,9909504,28123200,34171875,9833523682950, 189619679700,1489258878162739200, 32051313254079000000000,231538926078057635957250, 5980078350588060426240000] |