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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 17 |
| 4 | 193 |
| 5 | 353 |
| 6 | 641 |
| 7 | 769 |
| 8 | 10753 |
| 9 | 10753 |
| 10 | 13313 |
| 11 | 12289 |
| 12 | 114689 |
| 13 | 114689 |
| 14 | 163841 |
| 15 | 786433 |
| 16 | 786433 |
| 17 | 6684673 |
| 18 | 13631489 |
| 19 | 5767169 |
| 20 | 7340033 |
| 21 | 111149057 |
| 22 | 104857601 |
| 23 | 167772161 |
| 24 | 167772161 |
| 25 | 469762049 |
| 26 | 2483027969 |
| 27 | 2281701377 |
| 28 | 3221225473 |
| 29 | 12348030977 |
| 30 | 52613349377 |
[3,5,17,193,353,641,769,10753,10753,13313,12289, 114689,114689,163841,786433,786433,6684673, 13631489,5767169,7340033,111149057,104857601, 167772161,167772161,469762049,2483027969, 2281701377,3221225473,12348030977,52613349377] |