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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 7 |
| 4 | 26 |
| 5 | 7 |
| 6 | 3 |
| 7 | 166 |
| 8 | 951 |
| 9 | 951 |
| 10 | 166 |
| 11 | 3 |
| 12 | 263 |
| 13 | 8999 |
| 14 | 59637 |
| 15 | 108602 |
| 16 | 59637 |
| 17 | 8999 |
| 18 | 263 |
| 19 | 174 |
| 20 | 33124 |
| 21 | 848555 |
| 22 | 6062651 |
| 23 | 15477896 |
| 24 | 15477896 |
| 25 | 6062651 |
| 26 | 848555 |
| 27 | 33124 |
| 28 | 174 |
| 29 | 45 |
| 30 | 66963 |
| 31 | 5856626 |
| 32 | 122966782 |
| 33 | 920090513 |
[1,1,1,7,26,7,3,166,951,951,166,3,263,8999,59637, 108602,59637,8999,263,174,33124,848555,6062651, 15477896,15477896,6062651,848555,33124,174,45, 66963,5856626,122966782,920090513] |