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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 60 |
| 5 | 12 |
| 6 | 2520 |
| 7 | 120 |
| 8 | 5040 |
| 9 | 2520 |
| 10 | 277200 |
| 11 | 2520 |
| 12 | 4324320 |
| 13 | 27720 |
| 14 | 5045040 |
| 15 | 10810800 |
| 16 | 49008960 |
| 17 | 720720 |
| 18 | 4190266080 |
| 19 | 12252240 |
| 20 | 4655851200 |
| 21 | 4888643760 |
| 22 | 117793035360 |
| 23 | 232792560 |
| 24 | 642507465600 |
| 25 | 26771144400 |
| 26 | 2088149263200 |
[2,3,4,60,12,2520,120,5040,2520,277200,2520, 4324320,27720,5045040,10810800,49008960,720720, 4190266080,12252240,4655851200,4888643760, 117793035360,232792560,642507465600,26771144400, 2088149263200] |