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A333444 as a simple table
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 144 |
| 4 | 11251322 |
| 5 | 314824456456819827136 |
| 6 | 136221825854745676520058554256163406987047485113810944 |
[2,6,144,11251322,314824456456819827136, 13622182585474567652005855425616340698704748511381\ 0944] |