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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 55 |
| 3 | 656 |
| 4 | 7339 |
| 5 | 85288 |
| 6 | 991167 |
| 7 | 11529929 |
| 8 | 134163686 |
| 9 | 1561220559 |
| 10 | 18167587282 |
| 11 | 211412670503 |
| 12 | 2460168784055 |
| 13 | 28628514590530 |
| 14 | 333144562652494 |
| 15 | 3876739724171184 |
| 16 | 45112880641621747 |
| 17 | 524969986286019848 |
[9,55,656,7339,85288,991167,11529929,134163686, 1561220559,18167587282,211412670503,2460168784055, 28628514590530,333144562652494,3876739724171184, 45112880641621747,524969986286019848] |