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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 24 |
| 7 | 36 |
| 8 | 60 |
| 9 | 120 |
| 10 | 240 |
| 11 | 360 |
| 12 | 720 |
| 13 | 840 |
| 14 | 1680 |
| 15 | 2520 |
| 16 | 5040 |
| 17 | 10080 |
| 18 | 27720 |
| 19 | 30240 |
| 20 | 55440 |
| 21 | 110880 |
| 22 | 166320 |
| 23 | 332640 |
| 24 | 720720 |
| 25 | 1441440 |
| 26 | 2162160 |
| 27 | 3603600 |
| 28 | 4324320 |
[1,2,4,6,12,24,36,60,120,240,360,720,840,1680, 2520,5040,10080,27720,30240,55440,110880,166320, 332640,720720,1441440,2162160,3603600,4324320] |