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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 3 |
| 3 | 27 |
| 4 | 54 |
| 5 | 54 |
| 6 | 18 |
| 7 | 1134 |
| 8 | 1134 |
| 9 | 1134 |
| 10 | 1134 |
| 11 | 1782 |
| 12 | 1782 |
| 13 | 594 |
| 14 | 594 |
| 15 | 30618 |
| 16 | 30618 |
| 17 | 30618 |
| 18 | 30618 |
| 19 | 78246 |
| 20 | 78246 |
| 21 | 78246 |
| 22 | 78246 |
| 23 | 165726 |
| 24 | 165726 |
[1,3,3,27,54,54,18,1134,1134,1134,1134,1782,1782, 594,594,30618,30618,30618,30618,78246,78246,78246, 78246,165726,165726] |