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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 43 |
| 3 | 11 |
| 4 | 11 |
| 5 | 121 |
| 6 | 11 |
| 7 | 11 |
| 8 | 1153 |
| 9 | 109 |
| 10 | 97 |
| 11 | 11 |
| 12 | 11 |
| 13 | 11 |
| 14 | 11 |
| 15 | 11 |
| 16 | 19 |
| 17 | 2909 |
| 18 | 6221 |
| 19 | 297889 |
| 20 | 3 |
| 21 | 3 |
[11,43,11,11,121,11,11,1153,109,97,11,11,11,11,11, 19,2909,6221,297889,3,3] |