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| n | a(n) |
|---|---|
| 1 | 57 |
| 2 | 7361 |
| 3 | 757305 |
| 4 | 78394141 |
| 5 | 8199377227 |
| 6 | 856149291505 |
| 7 | 89373230342147 |
| 8 | 9330728065217697 |
| 9 | 974144457139164177 |
| 10 | 101701766819321353361 |
| 11 | 10617786795585969799967 |
| 12 | 1108509971334366966147185 |
[57,7361,757305,78394141,8199377227,856149291505, 89373230342147,9330728065217697, 974144457139164177,101701766819321353361, 10617786795585969799967,1108509971334366966147185] |