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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 13 |
| 7 | 24 |
| 8 | 44 |
| 9 | 81 |
| 10 | 151 |
| 11 | 284 |
| 12 | 536 |
| 13 | 1012 |
| 14 | 1910 |
| 15 | 3606 |
| 16 | 6818 |
| 17 | 12922 |
| 18 | 24561 |
| 19 | 46821 |
| 20 | 89509 |
| 21 | 171580 |
| 22 | 329760 |
| 23 | 635357 |
| 24 | 1227025 |
| 25 | 2374558 |
| 26 | 4602962 |
| 27 | 8933547 |
| 28 | 17352195 |
| 29 | 33718878 |
| 30 | 65534953 |
| 31 | 127379679 |
| 32 | 247598613 |
| 33 | 481334017 |
| 34 | 935936312 |
| 35 | 1820567772 |
| 36 | 3543113588 |
[0,1,1,2,4,8,13,24,44,81,151,284,536,1012,1910, 3606,6818,12922,24561,46821,89509,171580,329760, 635357,1227025,2374558,4602962,8933547,17352195, 33718878,65534953,127379679,247598613,481334017, 935936312,1820567772,3543113588] |