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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 8256 |
| 3 | 1431787520 |
| 4 | 48038430520647680 |
| 5 | 330117345346734148058349568 |
| 6 | 483957144078539402095793819136691273728 |
| 7 | 155682086691161145712706205845400916732707415735140352 |
[8,8256,1431787520,48038430520647680, 330117345346734148058349568, 483957144078539402095793819136691273728, 15568208669116114571270620584540091673270741573514\ 0352] |