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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 6 |
| 3 | 6 |
| 4 | 34 |
| 5 | 52 |
| 6 | 34 |
| 7 | 315 |
| 8 | 525 |
| 9 | 525 |
| 10 | 315 |
| 11 | 3891 |
| 12 | 7956 |
| 13 | 6546 |
| 14 | 7956 |
| 15 | 3891 |
| 16 | 58828 |
| 17 | 153636 |
| 18 | 120176 |
| 19 | 120176 |
| 20 | 153636 |
| 21 | 58828 |
| 22 | 1048580 |
| 23 | 3405480 |
| 24 | 3219420 |
| 25 | 1950320 |
| 26 | 3219420 |
| 27 | 3405480 |
| 28 | 1048580 |
| 29 | 21523365 |
| 30 | 84108555 |
| 31 | 100695825 |
| 32 | 53131455 |
| 33 | 53131455 |
[1,2,6,6,34,52,34,315,525,525,315,3891,7956,6546, 7956,3891,58828,153636,120176,120176,153636,58828, 1048580,3405480,3219420,1950320,3219420,3405480, 1048580,21523365,84108555,100695825,53131455, 53131455] |