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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 27 |
| 5 | 59 |
| 6 | 119 |
| 7 | 247 |
| 8 | 495 |
| 9 | 1007 |
| 10 | 2015 |
| 11 | 4063 |
| 12 | 8127 |
| 13 | 16319 |
| 14 | 32639 |
| 15 | 65407 |
| 16 | 130815 |
| 17 | 261887 |
| 18 | 523775 |
| 19 | 1048063 |
| 20 | 2096127 |
| 21 | 4193279 |
| 22 | 8386559 |
| 23 | 16775167 |
| 24 | 33550335 |
| 25 | 67104767 |
| 26 | 134209535 |
| 27 | 268427263 |
| 28 | 536854527 |
| 29 | 1073725439 |
| 30 | 2147450879 |
| 31 | 4294934527 |
| 32 | 8589869055 |
[1,3,5,13,27,59,119,247,495,1007,2015,4063,8127, 16319,32639,65407,130815,261887,523775,1048063, 2096127,4193279,8386559,16775167,33550335, 67104767,134209535,268427263,536854527,1073725439, 2147450879,4294934527,8589869055] |