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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 53 |
| 3 | 367 |
| 4 | 20411 |
| 5 | 10301051460877537453973547542467 |
| 6 | 7509466514979724803946715958615457 |
[3,53,367,20411,10301051460877537453973547542467, 7509466514979724803946715958615457] |