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| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 676 |
| 3 | 37636 |
| 4 | 767376 |
| 5 | 337677376 |
| 6 | 636367377337637773373677663667776 |
| 7 | 3736363367333373666777367633763676676 |
[36,676,37636,767376,337677376, 636367377337637773373677663667776, 3736363367333373666777367633763676676] |