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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 15 |
| 3 | 33 |
| 4 | 35 |
| 5 | 39 |
| 6 | 51 |
| 7 | 55 |
| 8 | 57 |
| 9 | 77 |
| 10 | 91 |
| 11 | 93 |
| 12 | 95 |
| 13 | 111 |
| 14 | 115 |
| 15 | 119 |
| 16 | 133 |
| 17 | 155 |
| 18 | 159 |
| 19 | 177 |
| 20 | 319 |
| 21 | 335 |
[9,15,33,35,39,51,55,57,77,91,93,95,111,115,119, 133,155,159,177,319,335] |