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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 16 |
| 7 | 25 |
| 8 | 42 |
| 9 | 67 |
| 10 | 110 |
| 11 | 177 |
| 12 | 288 |
| 13 | 465 |
| 14 | 754 |
| 15 | 1219 |
| 16 | 1974 |
| 17 | 3193 |
| 18 | 5168 |
| 19 | 8361 |
| 20 | 13530 |
| 21 | 21891 |
| 22 | 35422 |
| 23 | 57313 |
| 24 | 92736 |
| 25 | 150049 |
| 26 | 242786 |
| 27 | 392835 |
| 28 | 635622 |
| 29 | 1028457 |
| 30 | 1664080 |
| 31 | 2692537 |
| 32 | 4356618 |
| 33 | 7049155 |
| 34 | 11405774 |
| 35 | 18454929 |
| 36 | 29860704 |
| 37 | 48315633 |
| 38 | 78176338 |
| 39 | 126491971 |
[0,1,2,3,6,9,16,25,42,67,110,177,288,465,754,1219, 1974,3193,5168,8361,13530,21891,35422,57313,92736, 150049,242786,392835,635622,1028457,1664080, 2692537,4356618,7049155,11405774,18454929, 29860704,48315633,78176338,126491971] |