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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 3 |
| 3 | 9 |
| 4 | 54 |
| 5 | 9 |
| 6 | 27 |
| 7 | 621 |
| 8 | 621 |
| 9 | 27 |
| 10 | 81 |
| 11 | 6156 |
| 12 | 18630 |
| 13 | 6156 |
| 14 | 81 |
| 15 | 243 |
| 16 | 57591 |
| 17 | 408726 |
| 18 | 408726 |
| 19 | 57591 |
| 20 | 243 |
| 21 | 729 |
| 22 | 526338 |
| 23 | 7685847 |
| 24 | 17166492 |
| 25 | 7685847 |
| 26 | 526338 |
| 27 | 729 |
| 28 | 2187 |
| 29 | 4765473 |
| 30 | 132656859 |
| 31 | 568014201 |
| 32 | 568014201 |
| 33 | 132656859 |
| 34 | 4765473 |
| 35 | 2187 |
[1,3,3,9,54,9,27,621,621,27,81,6156,18630,6156,81, 243,57591,408726,408726,57591,243,729,526338, 7685847,17166492,7685847,526338,729,2187,4765473, 132656859,568014201,568014201,132656859,4765473, 2187] |