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| n | a(n) |
|---|---|
| 1 | 171 |
| 2 | 355817826 |
| 3 | 739874066553765 |
| 4 | 1538466018777014327028 |
| 5 | 3199027777735470191011289295 |
| 6 | 6651936797966044301302839516949686 |
| 7 | 13831784604089070782667939513452521937961 |
| 8 | 28761287297921206463992005998270360082445758120 |
[171,355817826,739874066553765, 1538466018777014327028, 3199027777735470191011289295, 6651936797966044301302839516949686, 13831784604089070782667939513452521937961, 28761287297921206463992005998270360082445758120] |