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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 30 |
| 7 | 52 |
| 8 | 95 |
| 9 | 174 |
| 10 | 326 |
| 11 | 618 |
| 12 | 1195 |
| 13 | 2300 |
| 14 | 4478 |
| 15 | 8764 |
| 16 | 17251 |
| 17 | 34038 |
| 18 | 67326 |
| 19 | 133858 |
| 20 | 266331 |
| 21 | 530876 |
| 22 | 1058146 |
| 23 | 2112904 |
| 24 | 4216075 |
| 25 | 8417830 |
| 26 | 16808282 |
| 27 | 33592910 |
| 28 | 67130923 |
| 29 | 134211556 |
| 30 | 268281390 |
| 31 | 536403988 |
| 32 | 1072424939 |
| 33 | 2144322638 |
| 34 | 4287655814 |
| 35 | 8574721850 |
[1,2,3,5,9,16,30,52,95,174,326,618,1195,2300,4478, 8764,17251,34038,67326,133858,266331,530876, 1058146,2112904,4216075,8417830,16808282,33592910, 67130923,134211556,268281390,536403988,1072424939, 2144322638,4287655814,8574721850] |