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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 5 |
| 5 | 31 |
| 6 | 3 |
| 7 | 127 |
| 8 | 17 |
| 9 | 73 |
| 10 | 11 |
| 11 | 12207031 |
| 12 | 13 |
| 13 | 8191 |
| 14 | 43 |
| 15 | 151 |
| 16 | 257 |
| 17 | 131071 |
| 18 | 46441 |
| 19 | 524287 |
| 20 | 61681 |
| 21 | 368089 |
| 22 | 683 |
| 23 | 11111111111111111111111 |
| 24 | 241 |
| 25 | 705429635566498619547944801 |
| 26 | 2731 |
| 27 | 262657 |
| 28 | 15790321 |
| 29 | 7369130657357778596659 |
| 30 | 331 |
| 31 | 2147483647 |
| 32 | 65537 |
| 33 | 599479 |
| 34 | 43691 |
[2,3,7,5,31,3,127,17,73,11,12207031,13,8191,43, 151,257,131071,46441,524287,61681,368089,683, 11111111111111111111111,241, 705429635566498619547944801,2731,262657,15790321, 7369130657357778596659,331,2147483647,65537, 599479,43691] |