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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 6 |
| 5 | 18 |
| 6 | 3 |
| 7 | 24 |
| 8 | 180 |
| 9 | 48 |
| 10 | 4 |
| 11 | 120 |
| 12 | 2100 |
| 13 | 800 |
| 14 | 100 |
| 15 | 5 |
| 16 | 720 |
| 17 | 28800 |
| 18 | 14700 |
| 19 | 2250 |
| 20 | 180 |
| 21 | 6 |
| 22 | 5040 |
| 23 | 458640 |
| 24 | 301350 |
| 25 | 52920 |
| 26 | 5292 |
| 27 | 294 |
| 28 | 7 |
| 29 | 40320 |
| 30 | 8361360 |
| 31 | 6867840 |
| 32 | 1342600 |
| 33 | 153664 |
| 34 | 10976 |
| 35 | 448 |
| 36 | 8 |
| 37 | 362880 |
| 38 | 172141200 |
| 39 | 172872000 |
| 40 | 36991080 |
| 41 | 4644864 |
| 42 | 387072 |
| 43 | 20736 |
| 44 | 648 |
| 45 | 9 |
[1,2,2,6,18,3,24,180,48,4,120,2100,800,100,5,720, 28800,14700,2250,180,6,5040,458640,301350,52920, 5292,294,7,40320,8361360,6867840,1342600,153664, 10976,448,8,362880,172141200,172872000,36991080, 4644864,387072,20736,648,9] |