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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 2 |
| 4 | 12 |
| 5 | 12 |
| 6 | 60 |
| 7 | 20 |
| 8 | 840 |
| 9 | 840 |
| 10 | 2520 |
| 11 | 2520 |
| 12 | 27720 |
| 13 | 27720 |
| 14 | 360360 |
| 15 | 360360 |
| 16 | 720720 |
| 17 | 720720 |
| 18 | 12252240 |
| 19 | 4084080 |
| 20 | 232792560 |
| 21 | 77597520 |
| 22 | 33256080 |
| 23 | 5173168 |
| 24 | 5354228880 |
| 25 | 356948592 |
| 26 | 3824449200 |
| 27 | 26771144400 |
| 28 | 11473347600 |
| 29 | 80313433200 |
| 30 | 332727080400 |
| 31 | 2329089562800 |
| 32 | 144403552893600 |
[2,2,12,12,60,20,840,840,2520,2520,27720,27720, 360360,360360,720720,720720,12252240,4084080, 232792560,77597520,33256080,5173168,5354228880, 356948592,3824449200,26771144400,11473347600, 80313433200,332727080400,2329089562800, 144403552893600] |