| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 13 |
| 7 | 22 |
| 8 | 37 |
| 9 | 64 |
| 10 | 111 |
| 11 | 195 |
| 12 | 346 |
| 13 | 618 |
| 14 | 1114 |
| 15 | 2019 |
| 16 | 3683 |
| 17 | 6753 |
| 18 | 12440 |
| 19 | 23018 |
| 20 | 42750 |
| 21 | 79683 |
| 22 | 148993 |
| 23 | 279407 |
| 24 | 525382 |
| 25 | 990325 |
| 26 | 1870993 |
| 27 | 3542241 |
| 28 | 6719450 |
| 29 | 12769653 |
| 30 | 24308665 |
| 31 | 46348192 |
| 32 | 88501413 |
| 33 | 169228912 |
| 34 | 324018531 |
| 35 | 621159937 |
| 36 | 1192189832 |
| 37 | 2290699981 |
| 38 | 4406021067 |
[1,1,2,3,5,8,13,22,37,64,111,195,346,618,1114, 2019,3683,6753,12440,23018,42750,79683,148993, 279407,525382,990325,1870993,3542241,6719450, 12769653,24308665,46348192,88501413,169228912, 324018531,621159937,1192189832,2290699981, 4406021067] |