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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 2 |
| 3 | 28 |
| 4 | 20 |
| 5 | 3 |
| 6 | 165 |
| 7 | 168 |
| 8 | 50 |
| 9 | 4 |
| 10 | 1001 |
| 11 | 1320 |
| 12 | 588 |
| 13 | 100 |
| 14 | 5 |
| 15 | 6188 |
| 16 | 10010 |
| 17 | 5940 |
| 18 | 1568 |
| 19 | 175 |
| 20 | 6 |
| 21 | 38760 |
| 22 | 74256 |
| 23 | 55055 |
| 24 | 19800 |
| 25 | 3528 |
| 26 | 280 |
| 27 | 7 |
| 28 | 245157 |
| 29 | 542640 |
| 30 | 482664 |
| 31 | 220220 |
| 32 | 54450 |
| 33 | 7056 |
| 34 | 420 |
| 35 | 8 |
| 36 | 1562275 |
| 37 | 3922512 |
| 38 | 4069800 |
| 39 | 2252432 |
| 40 | 715715 |
| 41 | 130680 |
| 42 | 12936 |
| 43 | 600 |
| 44 | 9 |
[1,5,2,28,20,3,165,168,50,4,1001,1320,588,100,5, 6188,10010,5940,1568,175,6,38760,74256,55055, 19800,3528,280,7,245157,542640,482664,220220, 54450,7056,420,8,1562275,3922512,4069800,2252432, 715715,130680,12936,600,9] |