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| n | a(n) |
|---|---|
| 1 | 697 |
| 2 | 2041 |
| 3 | 1570153 |
| 4 | 62722153 |
| 5 | 10604156641 |
| 6 | 13544168521 |
| 7 | 1792155938521 |
[697,2041,1570153,62722153,10604156641, 13544168521,1792155938521] |