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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 37 |
| 3 | 145 |
| 4 | 157 |
| 5 | 181 |
| 6 | 517 |
| 7 | 565 |
| 8 | 661 |
| 9 | 2101 |
| 10 | 2197 |
| 11 | 2581 |
| 12 | 2773 |
| 13 | 8725 |
| 14 | 8917 |
| 15 | 10357 |
| 16 | 10453 |
| 17 | 10837 |
| 18 | 35029 |
| 19 | 35413 |
| 20 | 41173 |
| 21 | 41557 |
| 22 | 43093 |
| 23 | 43861 |
[13,37,145,157,181,517,565,661,2101,2197,2581, 2773,8725,8917,10357,10453,10837,35029,35413, 41173,41557,43093,43861] |