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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 7 |
| 3 | 11 |
| 4 | 23 |
| 5 | 701 |
| 6 | 3989 |
| 7 | 4397 |
| 8 | 5501 |
| 9 | 7309 |
| 10 | 9281 |
| 11 | 10331 |
| 12 | 11243 |
| 13 | 12907 |
| 14 | 16127 |
| 15 | 27917 |
| 16 | 39901 |
| 17 | 43051 |
| 18 | 44843 |
| 19 | 48397 |
| 20 | 66569 |
| 21 | 70657 |
[5,7,11,23,701,3989,4397,5501,7309,9281,10331, 11243,12907,16127,27917,39901,43051,44843,48397, 66569,70657] |