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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 13 |
| 5 | 21 |
| 6 | 51 |
| 7 | 83 |
| 8 | 175 |
| 9 | 303 |
| 10 | 639 |
| 11 | 1143 |
| 12 | 2539 |
| 13 | 4571 |
| 14 | 9711 |
| 15 | 17903 |
| 16 | 36735 |
| 17 | 69499 |
| 18 | 143339 |
| 19 | 270327 |
| 20 | 556031 |
| 21 | 1080315 |
| 22 | 2195431 |
| 23 | 4259819 |
| 24 | 8646647 |
| 25 | 17031163 |
| 26 | 34078647 |
| 27 | 67632893 |
| 28 | 136282091 |
| 29 | 270467055 |
| 30 | 541064701 |
| 31 | 1077935867 |
| 32 | 2162163707 |
| 33 | 4311220203 |
| 34 | 8623484927 |
[1,3,5,13,21,51,83,175,303,639,1143,2539,4571, 9711,17903,36735,69499,143339,270327,556031, 1080315,2195431,4259819,8646647,17031163,34078647, 67632893,136282091,270467055,541064701,1077935867, 2162163707,4311220203,8623484927] |