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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 5 |
| 4 | 7 |
| 5 | 14 |
| 6 | 25 |
| 7 | 35 |
| 8 | 56 |
| 9 | 107 |
| 10 | 173 |
| 11 | 284 |
| 12 | 491 |
| 13 | 805 |
| 14 | 1338 |
| 15 | 2299 |
| 16 | 3817 |
| 17 | 6348 |
| 18 | 10741 |
| 19 | 17955 |
| 20 | 29996 |
| 21 | 50517 |
| 22 | 84551 |
| 23 | 141438 |
| 24 | 237601 |
| 25 | 398131 |
| 26 | 666648 |
| 27 | 1118507 |
| 28 | 1874589 |
| 29 | 3140516 |
| 30 | 5266459 |
| 31 | 8827461 |
| 32 | 14792378 |
| 33 | 24799555 |
| 34 | 41569097 |
| 35 | 69668012 |
| 36 | 116786117 |
| 37 | 195757315 |
[2,2,5,7,14,25,35,56,107,173,284,491,805,1338, 2299,3817,6348,10741,17955,29996,50517,84551, 141438,237601,398131,666648,1118507,1874589, 3140516,5266459,8827461,14792378,24799555, 41569097,69668012,116786117,195757315] |