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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 24 |
| 7 | 32 |
| 8 | 64 |
| 9 | 96 |
| 10 | 128 |
| 11 | 192 |
| 12 | 256 |
| 13 | 384 |
| 14 | 576 |
| 15 | 768 |
| 16 | 1152 |
| 17 | 1440 |
| 18 | 2880 |
| 19 | 5760 |
[1,2,4,6,12,24,32,64,96,128,192,256,384,576,768, 1152,1440,2880,5760] |