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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 277 |
| 3 | 12714 |
| 4 | 1442543 |
| 5 | 476276892 |
| 6 | 470866502871 |
| 7 | 1559031370472325 |
[16,277,12714,1442543,476276892,470866502871, 1559031370472325] |