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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 13 |
| 6 | 21 |
| 7 | 36 |
| 8 | 58 |
| 9 | 106 |
| 10 | 182 |
| 11 | 333 |
| 12 | 553 |
| 13 | 964 |
| 14 | 1583 |
| 15 | 2842 |
| 16 | 4851 |
| 17 | 8752 |
| 18 | 14662 |
| 19 | 25624 |
| 20 | 42578 |
| 21 | 75838 |
| 22 | 129440 |
| 23 | 231437 |
| 24 | 389828 |
| 25 | 680953 |
| 26 | 1140225 |
| 27 | 2019932 |
| 28 | 3451406 |
| 29 | 6132335 |
| 30 | 10371952 |
| 31 | 18098034 |
| 32 | 30472684 |
| 33 | 53758827 |
[1,1,2,4,7,13,21,36,58,106,182,333,553,964,1583, 2842,4851,8752,14662,25624,42578,75838,129440, 231437,389828,680953,1140225,2019932,3451406, 6132335,10371952,18098034,30472684,53758827] |