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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 11 |
| 8 | 21 |
| 9 | 28 |
| 10 | 54 |
| 11 | 68 |
| 12 | 135 |
| 13 | 183 |
| 14 | 360 |
| 15 | 470 |
| 16 | 948 |
| 17 | 1234 |
| 18 | 2479 |
| 19 | 3294 |
| 20 | 6531 |
| 21 | 8713 |
| 22 | 17120 |
| 23 | 23200 |
[0,0,1,2,3,5,8,11,21,28,54,68,135,183,360,470,948, 1234,2479,3294,6531,8713,17120,23200] |