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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 12 |
| 5 | 60 |
| 6 | 120 |
| 7 | 360 |
| 8 | 2520 |
| 9 | 5040 |
| 10 | 55440 |
| 11 | 720720 |
| 12 | 1441440 |
| 13 | 4324320 |
| 14 | 21621600 |
| 15 | 367567200 |
| 16 | 6983776800 |
| 17 | 13967553600 |
| 18 | 321253732800 |
| 19 | 2248776129600 |
| 20 | 65214507758400 |
| 21 | 195643523275200 |
| 22 | 6064949221531200 |
| 23 | 12129898443062400 |
| 24 | 448806242393308800 |
| 25 | 18401055938125660800 |
[1,2,6,12,60,120,360,2520,5040,55440,720720, 1441440,4324320,21621600,367567200,6983776800, 13967553600,321253732800,2248776129600, 65214507758400,195643523275200,6064949221531200, 12129898443062400,448806242393308800, 18401055938125660800] |