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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 13 |
| 10 | 22 |
| 11 | 35 |
| 12 | 57 |
| 13 | 93 |
| 14 | 150 |
| 15 | 244 |
| 16 | 394 |
| 17 | 638 |
| 18 | 1033 |
| 19 | 1672 |
| 20 | 2706 |
| 21 | 4378 |
| 22 | 7084 |
| 23 | 11462 |
| 24 | 18547 |
| 25 | 30010 |
| 26 | 48557 |
| 27 | 78567 |
| 28 | 127124 |
| 29 | 205691 |
| 30 | 332816 |
| 31 | 538507 |
| 32 | 871323 |
| 33 | 1409831 |
| 34 | 2281154 |
| 35 | 3690986 |
| 36 | 5972140 |
| 37 | 9663126 |
| 38 | 15635267 |
| 39 | 25298394 |
| 40 | 40933662 |
| 41 | 66232056 |
[0,0,0,0,1,2,3,5,8,13,22,35,57,93,150,244,394,638, 1033,1672,2706,4378,7084,11462,18547,30010,48557, 78567,127124,205691,332816,538507,871323,1409831, 2281154,3690986,5972140,9663126,15635267,25298394, 40933662,66232056] |