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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 257 |
| 6 | 263 |
| 7 | 521 |
| 8 | 769 |
| 9 | 1031 |
| 10 | 1283 |
| 11 | 1289 |
| 12 | 1543 |
| 13 | 1801 |
| 14 | 2311 |
| 15 | 65537 |
| 16 | 65539 |
| 17 | 65543 |
| 18 | 66569 |
| 19 | 67079 |
| 20 | 67843 |
| 21 | 131591 |
| 22 | 131849 |
| 23 | 132611 |
| 24 | 133121 |
| 25 | 133379 |
| 26 | 196871 |
| 27 | 197383 |
| 28 | 197641 |
| 29 | 197891 |
| 30 | 198409 |
| 31 | 198659 |
| 32 | 262153 |
| 33 | 262657 |
| 34 | 263171 |
| 35 | 327689 |
| 36 | 329473 |
| 37 | 329993 |
| 38 | 393479 |
| 39 | 394241 |
[2,3,5,7,257,263,521,769,1031,1283,1289,1543,1801, 2311,65537,65539,65543,66569,67079,67843,131591, 131849,132611,133121,133379,196871,197383,197641, 197891,198409,198659,262153,262657,263171,327689, 329473,329993,393479,394241] |