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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 16 |
| 4 | 32 |
| 5 | 36 |
| 6 | 72 |
| 7 | 144 |
| 8 | 288 |
| 9 | 432 |
| 10 | 864 |
| 11 | 1728 |
| 12 | 3456 |
| 13 | 3600 |
| 14 | 5400 |
| 15 | 7200 |
| 16 | 10800 |
| 17 | 21600 |
| 18 | 43200 |
| 19 | 86400 |
| 20 | 151200 |
| 21 | 172800 |
| 22 | 216000 |
| 23 | 302400 |
[1,4,16,32,36,72,144,288,432,864,1728,3456,3600, 5400,7200,10800,21600,43200,86400,151200,172800, 216000,302400] |