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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 17 |
| 5 | 55 |
| 6 | 69 |
| 7 | 219 |
| 8 | 257 |
| 9 | 775 |
| 10 | 1301 |
| 11 | 2923 |
| 12 | 4113 |
| 13 | 12407 |
| 14 | 20805 |
| 15 | 46811 |
| 16 | 65537 |
| 17 | 196615 |
| 18 | 327701 |
| 19 | 721003 |
| 20 | 1114385 |
| 21 | 3606391 |
| 22 | 4527173 |
| 23 | 14380507 |
| 24 | 16777473 |
| 25 | 50333447 |
| 26 | 83891477 |
| 27 | 184576875 |
| 28 | 285282321 |
| 29 | 923234423 |
| 30 | 1158959429 |
| 31 | 3681400539 |
| 32 | 4294967297 |
| 33 | 12884901895 |
[1,3,5,11,17,55,69,219,257,775,1301,2923,4113, 12407,20805,46811,65537,196615,327701,721003, 1114385,3606391,4527173,14380507,16777473, 50333447,83891477,184576875,285282321,923234423, 1158959429,3681400539,4294967297,12884901895] |