| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 827 |
| 3 | 64125216 |
| 4 | 3435127291000 |
| 5 | 13311728219727443375 |
| 6 | 409649135832685980009261 |
| 7 | 10648121671382415625175761968321952 |
| 8 | 2438927000297913276835937393044287546656 |
[1,827,64125216,3435127291000, 13311728219727443375,409649135832685980009261, 10648121671382415625175761968321952, 2438927000297913276835937393044287546656] |