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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 1243 |
| 3 | 1427084 |
| 4 | 9207834547 |
| 5 | 332948364816764 |
| 6 | 67504953898839080670 |
[6,1243,1427084,9207834547,332948364816764, 67504953898839080670] |