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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 2 |
| 7 | 5 |
| 8 | 40 |
| 9 | 40 |
| 10 | 5 |
| 11 | 15 |
| 12 | 485 |
| 13 | 1675 |
| 14 | 485 |
| 15 | 15 |
| 16 | 51 |
| 17 | 6528 |
| 18 | 81440 |
| 19 | 81440 |
| 20 | 6528 |
| 21 | 51 |
| 22 | 187 |
| 23 | 90641 |
| 24 | 4059950 |
| 25 | 14520192 |
| 26 | 4059950 |
| 27 | 90641 |
| 28 | 187 |
| 29 | 715 |
| 30 | 1268648 |
| 31 | 203087097 |
| 32 | 2606019472 |
| 33 | 2606019472 |
| 34 | 203087097 |
| 35 | 1268648 |
| 36 | 715 |
| 37 | 2795 |
| 38 | 17794141 |
| 39 | 10164141586 |
[1,1,1,2,5,2,5,40,40,5,15,485,1675,485,15,51,6528, 81440,81440,6528,51,187,90641,4059950,14520192, 4059950,90641,187,715,1268648,203087097, 2606019472,2606019472,203087097,1268648,715,2795, 17794141,10164141586] |