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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 73 |
| 3 | 733 |
| 4 | 7333 |
| 5 | 513313 |
| 6 | 35931913 |
| 7 | 1796595653 |
| 8 | 35931913063 |
| 9 | 3952510436933 |
| 10 | 513826356801293 |
| 11 | 143871379904362043 |
| 12 | 1438713799043620433 |
| 13 | 14387137990436204333 |
| 14 | 2014199318661068606623 |
[7,73,733,7333,513313,35931913,1796595653, 35931913063,3952510436933,513826356801293, 143871379904362043,1438713799043620433, 14387137990436204333,2014199318661068606623] |