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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 15 |
| 7 | 28 |
| 8 | 43 |
| 9 | 71 |
| 10 | 130 |
| 11 | 201 |
| 12 | 331 |
| 13 | 597 |
| 14 | 928 |
| 15 | 1525 |
| 16 | 2720 |
| 17 | 4245 |
| 18 | 6965 |
| 19 | 12315 |
| 20 | 19280 |
| 21 | 31595 |
| 22 | 55472 |
| 23 | 87067 |
| 24 | 142539 |
| 25 | 248802 |
| 26 | 391341 |
| 27 | 640143 |
| 28 | 1111864 |
| 29 | 1752007 |
| 30 | 2863871 |
| 31 | 4953162 |
| 32 | 7817033 |
| 33 | 12770195 |
| 34 | 22004810 |
| 35 | 34775005 |
| 36 | 56779815 |
[1,1,2,3,6,9,15,28,43,71,130,201,331,597,928,1525, 2720,4245,6965,12315,19280,31595,55472,87067, 142539,248802,391341,640143,1111864,1752007, 2863871,4953162,7817033,12770195,22004810, 34775005,56779815] |