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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 68 |
| 3 | 768 |
| 4 | 2768 |
| 5 | 72768 |
| 6 | 872768 |
| 7 | 3872768 |
| 8 | 83872768 |
| 9 | 683872768 |
| 10 | 1683872768 |
| 11 | 11683872768 |
| 12 | 11683872768 |
| 13 | 11683872768 |
| 14 | 20011683872768 |
| 15 | 820011683872768 |
| 16 | 4820011683872768 |
| 17 | 34820011683872768 |
| 18 | 534820011683872768 |
[8,68,768,2768,72768,872768,3872768,83872768, 683872768,1683872768,11683872768,11683872768, 11683872768,20011683872768,820011683872768, 4820011683872768,34820011683872768, 534820011683872768] |