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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 77 |
| 3 | 616 |
| 4 | 6776 |
| 5 | 88088 |
| 6 | 616616 |
| 7 | 232464232 |
| 8 | 21154245112 |
| 9 | 232696696232 |
| 10 | 21175399357112 |
| 11 | 21154245133154245112 |
| 12 | 232696696464696696232 |
| 13 | 21175399378287399357112 |
| 14 | 63386501441764911946714410568336 |
[7,77,616,6776,88088,616616,232464232,21154245112, 232696696232,21175399357112,21154245133154245112, 232696696464696696232,21175399378287399357112, 63386501441764911946714410568336] |