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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 3 |
| 4 | 9 |
| 5 | 33 |
| 6 | 33 |
| 7 | 23 |
| 8 | 63 |
| 9 | 273 |
| 10 | 243 |
| 11 | 187 |
| 12 | 297 |
| 13 | 81 |
| 14 | 543 |
| 15 | 17 |
| 16 | 1117 |
| 17 | 237 |
| 18 | 9087 |
| 19 | 1581 |
| 20 | 693 |
| 21 | 1149 |
| 22 | 3807 |
| 23 | 3953 |
| 24 | 3499 |
| 25 | 7979 |
| 26 | 489 |
| 27 | 2751 |
| 28 | 1597 |
| 29 | 2109 |
| 30 | 8073 |
[2,3,3,9,33,33,23,63,273,243,187,297,81,543,17, 1117,237,9087,1581,693,1149,3807,3953,3499,7979, 489,2751,1597,2109,8073] |