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| n | a(n) |
|---|---|
| 1 | 452 |
| 2 | 1158334 |
| 3 | 3556749764 |
| 4 | 10976545771938 |
| 5 | 33888199682535539 |
| 6 | 104628720219120084935 |
| 7 | 323040050513644831673711 |
| 8 | 997383803217605432845939113 |
| 9 | 3079415768120334362937355766441 |
[452,1158334,3556749764,10976545771938, 33888199682535539,104628720219120084935, 323040050513644831673711, 997383803217605432845939113, 3079415768120334362937355766441] |