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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 4 |
| 5 | 120 |
| 6 | 6 |
| 7 | 840 |
| 8 | 24 |
| 9 | 36 |
| 10 | 120 |
| 11 | 83160 |
| 12 | 12 |
| 13 | 1081080 |
| 14 | 840 |
| 15 | 120 |
| 16 | 16 |
| 17 | 294053760 |
| 18 | 36 |
| 19 | 5587021440 |
| 20 | 60 |
| 21 | 840 |
| 22 | 83160 |
| 23 | 128501493120 |
| 24 | 24 |
| 25 | 900 |
| 26 | 1081080 |
| 27 | 7560 |
| 28 | 2520 |
| 29 | 93163582512000 |
| 30 | 120 |
| 31 | 2888071057872000 |
| 32 | 10080 |
| 33 | 83160 |
| 34 | 294053760 |
| 35 | 840 |
| 36 | 36 |
| 37 | 106858629141264000 |
| 38 | 5587021440 |
| 39 | 1081080 |
| 40 | 120 |
| 41 | 4381203794791824000 |
[1,2,6,4,120,6,840,24,36,120,83160,12,1081080,840, 120,16,294053760,36,5587021440,60,840,83160, 128501493120,24,900,1081080,7560,2520, 93163582512000,120,2888071057872000,10080,83160, 294053760,840,36,106858629141264000,5587021440, 1081080,120,4381203794791824000] |