| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 14 |
| 8 | 21 |
| 9 | 32 |
| 10 | 49 |
| 11 | 79 |
| 12 | 119 |
| 13 | 192 |
| 14 | 301 |
| 15 | 466 |
| 16 | 735 |
| 17 | 1176 |
| 18 | 1851 |
| 19 | 2927 |
| 20 | 4598 |
| 21 | 7297 |
| 22 | 11553 |
| 23 | 18279 |
| 24 | 28864 |
| 25 | 45833 |
| 26 | 72357 |
| 27 | 114743 |
| 28 | 181722 |
| 29 | 287927 |
| 30 | 455749 |
| 31 | 722459 |
| 32 | 1144371 |
| 33 | 1813976 |
| 34 | 2873752 |
| 35 | 4553644 |
| 36 | 7213621 |
| 37 | 11432170 |
| 38 | 18120734 |
| 39 | 28716295 |
| 40 | 45491134 |
[2,2,3,4,6,8,14,21,32,49,79,119,192,301,466,735, 1176,1851,2927,4598,7297,11553,18279,28864,45833, 72357,114743,181722,287927,455749,722459,1144371, 1813976,2873752,4553644,7213621,11432170,18120734, 28716295,45491134] |