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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 9 |
| 5 | 15 |
| 6 | 9 |
| 7 | 27 |
| 8 | 81 |
| 9 | 81 |
| 10 | 27 |
| 11 | 81 |
| 12 | 435 |
| 13 | 849 |
| 14 | 435 |
| 15 | 81 |
| 16 | 243 |
| 17 | 2337 |
| 18 | 8835 |
| 19 | 8835 |
| 20 | 2337 |
| 21 | 243 |
| 22 | 729 |
| 23 | 12555 |
| 24 | 92067 |
| 25 | 179999 |
| 26 | 92067 |
| 27 | 12555 |
| 28 | 729 |
| 29 | 2187 |
| 30 | 67449 |
| 31 | 959385 |
| 32 | 3685017 |
| 33 | 3685017 |
| 34 | 959385 |
| 35 | 67449 |
| 36 | 2187 |
| 37 | 6561 |
| 38 | 362355 |
| 39 | 9997413 |
| 40 | 75489671 |
| 41 | 149128385 |
[1,3,3,9,15,9,27,81,81,27,81,435,849,435,81,243, 2337,8835,8835,2337,243,729,12555,92067,179999, 92067,12555,729,2187,67449,959385,3685017,3685017, 959385,67449,2187,6561,362355,9997413,75489671, 149128385] |