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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 21 |
| 6 | 43 |
| 7 | 87 |
| 8 | 171 |
| 9 | 173 |
| 10 | 347 |
| 11 | 693 |
| 12 | 1387 |
| 13 | 2775 |
| 14 | 5547 |
| 15 | 5549 |
| 16 | 11099 |
| 17 | 22197 |
| 18 | 44395 |
| 19 | 88789 |
| 20 | 177579 |
| 21 | 355159 |
| 22 | 710315 |
| 23 | 710317 |
| 24 | 1420635 |
| 25 | 2841269 |
| 26 | 5682539 |
| 27 | 11365079 |
| 28 | 22730155 |
| 29 | 22730157 |
| 30 | 45460315 |
| 31 | 90920629 |
| 32 | 181841259 |
| 33 | 363682519 |
[1,3,5,11,21,43,87,171,173,347,693,1387,2775,5547, 5549,11099,22197,44395,88789,177579,355159,710315, 710317,1420635,2841269,5682539,11365079,22730155, 22730157,45460315,90920629,181841259,363682519] |