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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 2 |
| 3 | 23 |
| 4 | 127 |
| 5 | 71 |
| 6 | 353 |
| 7 | 1279 |
| 8 | 3851 |
| 9 | 3049 |
| 10 | 18913 |
| 11 | 47129 |
| 12 | 352073 |
| 13 | 696809 |
[5,2,23,127,71,353,1279,3851,3049,18913,47129, 352073,696809] |