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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 48620 |
| 2 | 449141836 |
| 3 | 1371597504992 |
| 4 | 1832516612010448 |
| 5 | 1274867710694037824 |
| 6 | 520384188062967417280 |
[1,48620,449141836,1371597504992,1832516612010448, 1274867710694037824,520384188062967417280] |