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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 31 |
| 3 | 47 |
| 4 | 51 |
| 5 | 55 |
| 6 | 59 |
| 7 | 60 |
| 8 | 61 |
| 9 | 62 |
| 10 | 79 |
| 11 | 95 |
| 12 | 111 |
| 13 | 115 |
| 14 | 119 |
| 15 | 123 |
| 16 | 124 |
| 17 | 125 |
| 18 | 126 |
[15,31,47,51,55,59,60,61,62,79,95,111,115,119,123, 124,125,126] |