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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 17 |
| 5 | 73 |
| 6 | 97 |
| 7 | 193 |
| 8 | 257 |
| 9 | 769 |
| 10 | 3457 |
| 11 | 7681 |
| 12 | 15361 |
| 13 | 12289 |
| 14 | 40961 |
| 15 | 114689 |
| 16 | 65537 |
| 17 | 737281 |
| 18 | 1376257 |
| 19 | 786433 |
| 20 | 5308417 |
| 21 | 7340033 |
| 22 | 14155777 |
| 23 | 28311553 |
| 24 | 104857601 |
| 25 | 113246209 |
| 26 | 167772161 |
| 27 | 469762049 |
| 28 | 2113929217 |
| 29 | 1811939329 |
[2,3,5,13,17,73,97,193,257,769,3457,7681,15361, 12289,40961,114689,65537,737281,1376257,786433, 5308417,7340033,14155777,28311553,104857601, 113246209,167772161,469762049,2113929217, 1811939329] |