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| n | a(n) |
|---|---|
| 1 | 57 |
| 2 | 4001 |
| 3 | 260205 |
| 4 | 16703113 |
| 5 | 1068969245 |
| 6 | 68410191725 |
| 7 | 4378092248621 |
| 8 | 280189181606213 |
| 9 | 17931584186079329 |
| 10 | 1147588053510298689 |
| 11 | 73443503055457761265 |
| 12 | 4700247703823958214433 |
| 13 | 300807117566919214489057 |
[57,4001,260205,16703113,1068969245,68410191725, 4378092248621,280189181606213,17931584186079329, 1147588053510298689,73443503055457761265, 4700247703823958214433,300807117566919214489057] |