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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 13 |
| 6 | 25 |
| 7 | 43 |
| 8 | 77 |
| 9 | 137 |
| 10 | 241 |
| 11 | 410 |
| 12 | 720 |
| 13 | 1209 |
| 14 | 2073 |
| 15 | 3498 |
| 16 | 5883 |
| 17 | 9768 |
| 18 | 16413 |
| 19 | 26978 |
| 20 | 44741 |
| 21 | 73460 |
| 22 | 120462 |
| 23 | 196066 |
| 24 | 320389 |
| 25 | 518118 |
| 26 | 839325 |
| 27 | 1353283 |
| 28 | 2178764 |
| 29 | 3490105 |
| 30 | 5597982 |
| 31 | 8922963 |
| 32 | 14228404 |
| 33 | 22609823 |
| 34 | 35875313 |
| 35 | 56756240 |
| 36 | 89761600 |
| 37 | 141410896 |
| 38 | 222675765 |
[1,1,2,4,7,13,25,43,77,137,241,410,720,1209,2073, 3498,5883,9768,16413,26978,44741,73460,120462, 196066,320389,518118,839325,1353283,2178764, 3490105,5597982,8922963,14228404,22609823, 35875313,56756240,89761600,141410896,222675765] |