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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 9 |
| 3 | 29 |
| 4 | 99 |
| 5 | 361 |
| 6 | 1373 |
| 7 | 5349 |
| 8 | 21109 |
| 9 | 83859 |
| 10 | 334275 |
| 11 | 1334769 |
| 12 | 5334413 |
| 13 | 21328351 |
| 14 | 85294869 |
[1,3,9,29,99,361,1373,5349,21109,83859,334275, 1334769,5334413,21328351,85294869] |