The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 23 |
| 4 | 17 |
| 5 | 41 |
| 6 | 67 |
| 7 | 137 |
| 8 | 269 |
| 9 | 521 |
| 10 | 1049 |
| 11 | 2081 |
| 12 | 4111 |
| 13 | 8233 |
| 14 | 16417 |
| 15 | 32771 |
| 16 | 65537 |
| 17 | 131113 |
| 18 | 262147 |
| 19 | 524309 |
| 20 | 1048609 |
| 21 | 2097257 |
| 22 | 4194389 |
| 23 | 8388617 |
| 24 | 16777289 |
| 25 | 33554501 |
| 26 | 67109123 |
| 27 | 134217929 |
| 28 | 268435459 |
| 29 | 536871017 |
| 30 | 1073741827 |
| 31 | 2147484041 |
| 32 | 4294967497 |
| 33 | 8589934627 |
| 34 | 17179869731 |
[2,5,23,17,41,67,137,269,521,1049,2081,4111,8233, 16417,32771,65537,131113,262147,524309,1048609, 2097257,4194389,8388617,16777289,33554501, 67109123,134217929,268435459,536871017,1073741827, 2147484041,4294967497,8589934627,17179869731] |