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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 6 |
| 8 | 3 |
| 9 | 8 |
| 10 | 3 |
| 11 | 120 |
| 12 | 5 |
| 13 | 720 |
| 14 | 15 |
| 15 | 56 |
| 16 | 105 |
| 17 | 40320 |
| 18 | 35 |
| 19 | 362880 |
| 20 | 189 |
| 21 | 3200 |
| 22 | 945 |
| 23 | 39916800 |
| 24 | 385 |
| 25 | 9580032 |
| 26 | 10395 |
| 27 | 3203200 |
| 28 | 19305 |
| 29 | 87178291200 |
| 30 | 1001 |
| 31 | 1307674368000 |
| 32 | 2027025 |
| 33 | 65228800 |
| 34 | 2027025 |
| 35 | 4839284736 |
| 36 | 85085 |
| 37 | 6402373705728000 |
| 38 | 34459425 |
| 39 | 17827532800 |
[1,1,1,1,2,1,6,3,8,3,120,5,720,15,56,105,40320,35, 362880,189,3200,945,39916800,385,9580032,10395, 3203200,19305,87178291200,1001,1307674368000, 2027025,65228800,2027025,4839284736,85085, 6402373705728000,34459425,17827532800] |