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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 11 |
| 5 | 23 |
| 6 | 32 |
| 7 | 47 |
| 8 | 95 |
| 9 | 128 |
| 10 | 191 |
| 11 | 383 |
| 12 | 512 |
| 13 | 767 |
| 14 | 1535 |
| 15 | 2048 |
| 16 | 3071 |
| 17 | 6143 |
| 18 | 8192 |
| 19 | 12287 |
| 20 | 24575 |
| 21 | 32768 |
| 22 | 49151 |
| 23 | 98303 |
| 24 | 131072 |
| 25 | 196607 |
| 26 | 393215 |
| 27 | 524288 |
| 28 | 786431 |
| 29 | 1572863 |
| 30 | 2097152 |
| 31 | 3145727 |
| 32 | 6291455 |
| 33 | 8388608 |
[2,5,8,11,23,32,47,95,128,191,383,512,767,1535, 2048,3071,6143,8192,12287,24575,32768,49151,98303, 131072,196607,393215,524288,786431,1572863, 2097152,3145727,6291455,8388608] |