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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 7 |
| 4 | 14 |
| 5 | 26 |
| 6 | 43 |
| 7 | 79 |
| 8 | 137 |
| 9 | 246 |
| 10 | 398 |
| 11 | 733 |
| 12 | 1237 |
| 13 | 2314 |
| 14 | 3586 |
| 15 | 6730 |
| 16 | 11051 |
| 17 | 21096 |
| 18 | 31985 |
| 19 | 61654 |
| 20 | 102730 |
| 21 | 199555 |
| 22 | 301062 |
| 23 | 589746 |
| 24 | 942876 |
| 25 | 1858881 |
| 26 | 2793703 |
| 27 | 5524251 |
| 28 | 9193512 |
| 29 | 18256867 |
| 30 | 27396918 |
| 31 | 54517922 |
| 32 | 88020937 |
| 33 | 175434632 |
| 34 | 263194662 |
| 35 | 525173052 |
[1,2,4,7,14,26,43,79,137,246,398,733,1237,2314, 3586,6730,11051,21096,31985,61654,102730,199555, 301062,589746,942876,1858881,2793703,5524251, 9193512,18256867,27396918,54517922,88020937, 175434632,263194662,525173052] |