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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 13 |
| 6 | 22 |
| 7 | 38 |
| 8 | 63 |
| 9 | 105 |
| 10 | 177 |
| 11 | 296 |
| 12 | 495 |
| 13 | 828 |
| 14 | 1386 |
| 15 | 2318 |
| 16 | 3879 |
| 17 | 6489 |
| 18 | 10854 |
| 19 | 18158 |
| 20 | 30375 |
| 21 | 50811 |
| 22 | 84998 |
| 23 | 142187 |
| 24 | 237853 |
| 25 | 397885 |
| 26 | 665589 |
| 27 | 1113411 |
| 28 | 1862534 |
| 29 | 3115683 |
| 30 | 5211973 |
| 31 | 8718687 |
| 32 | 14584783 |
| 33 | 24397699 |
| 34 | 40812930 |
| 35 | 68272636 |
| 36 | 114207749 |
| 37 | 191048868 |
| 38 | 319590137 |
[1,2,4,8,13,22,38,63,105,177,296,495,828,1386, 2318,3879,6489,10854,18158,30375,50811,84998, 142187,237853,397885,665589,1113411,1862534, 3115683,5211973,8718687,14584783,24397699, 40812930,68272636,114207749,191048868,319590137] |