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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 8 |
| 4 | 9 |
| 5 | 13 |
| 6 | 15 |
| 7 | 25 |
| 8 | 36 |
| 9 | 37 |
| 10 | 63 |
| 11 | 66 |
| 12 | 72 |
| 13 | 73 |
| 14 | 85 |
| 15 | 205 |
| 16 | 333 |
| 17 | 430 |
[2,6,8,9,13,15,25,36,37,63,66,72,73,85,205,333, 430] |