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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 11 |
| 7 | 17 |
| 8 | 28 |
| 9 | 46 |
| 10 | 75 |
| 11 | 121 |
| 12 | 197 |
| 13 | 319 |
| 14 | 516 |
| 15 | 836 |
| 16 | 1353 |
| 17 | 2189 |
| 18 | 3542 |
| 19 | 5731 |
| 20 | 9273 |
| 21 | 15004 |
| 22 | 24278 |
| 23 | 39283 |
| 24 | 63562 |
| 25 | 102845 |
| 26 | 166408 |
| 27 | 269253 |
| 28 | 435661 |
| 29 | 704915 |
| 30 | 1140577 |
| 31 | 1845492 |
| 32 | 2986070 |
| 33 | 4831563 |
| 34 | 7817633 |
| 35 | 12649197 |
| 36 | 20466831 |
| 37 | 33116028 |
[0,0,1,2,4,6,11,17,28,46,75,121,197,319,516,836, 1353,2189,3542,5731,9273,15004,24278,39283,63562, 102845,166408,269253,435661,704915,1140577, 1845492,2986070,4831563,7817633,12649197,20466831, 33116028] |