| n | a(n) |
|---|---|
| 1 | 63 |
| 2 | 423 |
| 3 | 423 |
| 4 | 2828 |
| 5 | 6653 |
| 6 | 2828 |
| 7 | 18910 |
| 8 | 105897 |
| 9 | 105897 |
| 10 | 18910 |
| 11 | 126468 |
| 12 | 1691169 |
| 13 | 4006992 |
| 14 | 1691169 |
| 15 | 126468 |
| 16 | 845838 |
| 17 | 27018053 |
| 18 | 151364054 |
| 19 | 151364054 |
| 20 | 27018053 |
| 21 | 845838 |
| 22 | 5657125 |
| 23 | 431623476 |
| 24 | 5710752444 |
| 25 | 13508173078 |
| 26 | 5710752444 |
| 27 | 431623476 |
[63,423,423,2828,6653,2828,18910,105897,105897, 18910,126468,1691169,4006992,1691169,126468, 845838,27018053,151364054,151364054,27018053, 845838,5657125,431623476,5710752444,13508173078, 5710752444,431623476] |