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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 452 |
| 3 | 452 |
| 4 | 1970 |
| 5 | 3248 |
| 6 | 1970 |
| 7 | 8128 |
| 8 | 23578 |
| 9 | 23578 |
| 10 | 8128 |
| 11 | 33386 |
| 12 | 203313 |
| 13 | 357812 |
| 14 | 203313 |
| 15 | 33386 |
| 16 | 139390 |
| 17 | 1846145 |
| 18 | 5500266 |
| 19 | 5500266 |
| 20 | 1846145 |
| 21 | 139390 |
| 22 | 588254 |
| 23 | 17014174 |
| 24 | 82656765 |
| 25 | 155765726 |
| 26 | 82656765 |
| 27 | 17014174 |
| 28 | 588254 |
| 29 | 2496440 |
| 30 | 157776973 |
[81,452,452,1970,3248,1970,8128,23578,23578,8128, 33386,203313,357812,203313,33386,139390,1846145, 5500266,5500266,1846145,139390,588254,17014174, 82656765,155765726,82656765,17014174,588254, 2496440,157776973] |