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| n | a(n) |
|---|---|
| 1 | 137 |
| 2 | 13698630137 |
| 3 | 1369863013698630137 |
| 4 | 136986301369863013698630137 |
| 5 | 13698630136986301369863013698630137 |
| 6 | 1369863013698630136986301369863013698630137 |
| 7 | 136986301369863013698630136986301369863013698630137 |
[137,13698630137,1369863013698630137, 136986301369863013698630137, 13698630136986301369863013698630137, 1369863013698630136986301369863013698630137, 13698630136986301369863013698630136986301369863013\ 7] |