| n | a(n) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 15 |
| 10 | 26 |
| 11 | 47 |
| 12 | 86 |
| 13 | 158 |
| 14 | 293 |
| 15 | 548 |
| 16 | 1024 |
| 17 | 1928 |
| 18 | 3643 |
| 19 | 6899 |
| 20 | 13108 |
| 21 | 24970 |
| 22 | 47663 |
| 23 | 91181 |
| 24 | 174768 |
| 25 | 335546 |
| 26 | 645278 |
| 27 | 1242767 |
| 28 | 2396746 |
| 29 | 4628198 |
| 30 | 8947868 |
| 31 | 17318417 |
| 32 | 33554432 |
| 33 | 65075294 |
| 34 | 126322568 |
| 35 | 245426708 |
[1,1,2,3,5,8,15,26,47,86,158,293,548,1024,1928, 3643,6899,13108,24970,47663,91181,174768,335546, 645278,1242767,2396746,4628198,8947868,17318417, 33554432,65075294,126322568,245426708] |