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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 15 |
| 8 | 24 |
| 9 | 39 |
| 10 | 62 |
| 11 | 98 |
| 12 | 156 |
| 13 | 247 |
| 14 | 390 |
| 15 | 611 |
| 16 | 953 |
| 17 | 1485 |
| 18 | 2314 |
| 19 | 3613 |
| 20 | 5655 |
| 21 | 8877 |
| 22 | 13970 |
| 23 | 22029 |
| 24 | 34774 |
| 25 | 54904 |
| 26 | 86640 |
| 27 | 136571 |
| 28 | 214992 |
| 29 | 338008 |
| 30 | 530886 |
| 31 | 833391 |
| 32 | 1308336 |
| 33 | 2055290 |
| 34 | 3232624 |
| 35 | 5092985 |
| 36 | 8040450 |
| 37 | 12722620 |
| 38 | 20179052 |
[1,1,1,2,3,5,9,15,24,39,62,98,156,247,390,611,953, 1485,2314,3613,5655,8877,13970,22029,34774,54904, 86640,136571,214992,338008,530886,833391,1308336, 2055290,3232624,5092985,8040450,12722620,20179052] |