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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 14 |
| 10 | 22 |
| 11 | 36 |
| 12 | 58 |
| 13 | 93 |
| 14 | 151 |
| 15 | 244 |
| 16 | 395 |
| 17 | 639 |
| 18 | 1034 |
| 19 | 1672 |
| 20 | 2706 |
| 21 | 4378 |
| 22 | 7084 |
| 23 | 11463 |
| 24 | 18547 |
| 25 | 30010 |
| 26 | 48557 |
| 27 | 78567 |
| 28 | 127124 |
| 29 | 205692 |
| 30 | 332816 |
| 31 | 538508 |
| 32 | 871324 |
| 33 | 1409831 |
| 34 | 2281155 |
| 35 | 3690986 |
| 36 | 5972141 |
| 37 | 9663127 |
| 38 | 15635268 |
| 39 | 25298394 |
| 40 | 40933662 |
| 41 | 66232056 |
[0,0,0,1,1,2,3,5,8,14,22,36,58,93,151,244,395,639, 1034,1672,2706,4378,7084,11463,18547,30010,48557, 78567,127124,205692,332816,538508,871324,1409831, 2281155,3690986,5972141,9663127,15635268,25298394, 40933662,66232056] |