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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 13 |
| 7 | 17 |
| 8 | 25 |
| 9 | 33 |
| 10 | 49 |
| 11 | 65 |
| 12 | 97 |
| 13 | 129 |
| 14 | 193 |
| 15 | 257 |
| 16 | 385 |
| 17 | 513 |
| 18 | 769 |
| 19 | 1025 |
| 20 | 1537 |
| 21 | 2049 |
| 22 | 3073 |
| 23 | 4097 |
| 24 | 6145 |
| 25 | 8193 |
| 26 | 12289 |
| 27 | 16385 |
| 28 | 24577 |
| 29 | 32769 |
| 30 | 49153 |
| 31 | 65537 |
| 32 | 98305 |
| 33 | 131073 |
| 34 | 196609 |
| 35 | 262145 |
| 36 | 393217 |
| 37 | 524289 |
| 38 | 786433 |
| 39 | 1048577 |
| 40 | 1572865 |
| 41 | 2097153 |
| 42 | 3145729 |
[3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385, 513,769,1025,1537,2049,3073,4097,6145,8193,12289, 16385,24577,32769,49153,65537,98305,131073,196609, 262145,393217,524289,786433,1048577,1572865, 2097153,3145729] |