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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 10 |
| 6 | 12 |
| 7 | 14 |
| 8 | 18 |
| 9 | 20 |
| 10 | 24 |
| 11 | 30 |
| 12 | 36 |
| 13 | 42 |
| 14 | 48 |
| 15 | 60 |
| 16 | 84 |
| 17 | 90 |
| 18 | 120 |
[2,3,4,6,8,10,12,14,18,20,24,30,36,42,48,60,84,90, 120] |