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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 11 |
| 4 | 13 |
| 5 | 19 |
| 6 | 29 |
| 7 | 31 |
| 8 | 37 |
| 9 | 71 |
| 10 | 127 |
| 11 | 379 |
| 12 | 491 |
| 13 | 2047 |
| 14 | 2633 |
| 15 | 2659 |
| 16 | 3373 |
| 17 | 8191 |
| 18 | 13249 |
| 19 | 26893 |
| 20 | 70687 |
| 21 | 74597 |
| 22 | 87211 |
| 23 | 131071 |
| 24 | 184511 |
| 25 | 524287 |
| 26 | 642581 |
| 27 | 1897121 |
| 28 | 2676301 |
| 29 | 2703739 |
| 30 | 8388607 |
| 31 | 15456151 |
| 32 | 52368101 |
| 33 | 102785339 |
| 34 | 126233057 |
| 35 | 193481677 |
| 36 | 536870911 |
| 37 | 856645921 |
| 38 | 1552107133 |
| 39 | 2001907169 |
| 40 | 2147483647 |
| 41 | 2935442621 |
| 42 | 3668158729 |
| 43 | 6004262437 |
[3,7,11,13,19,29,31,37,71,127,379,491,2047,2633, 2659,3373,8191,13249,26893,70687,74597,87211, 131071,184511,524287,642581,1897121,2676301, 2703739,8388607,15456151,52368101,102785339, 126233057,193481677,536870911,856645921, 1552107133,2001907169,2147483647,2935442621, 3668158729,6004262437] |