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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 12 |
| 6 | 19 |
| 7 | 31 |
| 8 | 49 |
| 9 | 80 |
| 10 | 130 |
| 11 | 211 |
| 12 | 343 |
| 13 | 558 |
| 14 | 908 |
| 15 | 1477 |
| 16 | 2401 |
| 17 | 3906 |
| 18 | 6353 |
| 19 | 10333 |
| 20 | 16807 |
| 21 | 27338 |
| 22 | 44468 |
| 23 | 72330 |
| 24 | 117649 |
| 25 | 191366 |
| 26 | 311270 |
| 27 | 506305 |
| 28 | 823543 |
| 29 | 1339556 |
| 30 | 2178890 |
| 31 | 3544132 |
| 32 | 5764801 |
| 33 | 9376891 |
[1,2,3,5,7,12,19,31,49,80,130,211,343,558,908, 1477,2401,3906,6353,10333,16807,27338,44468,72330, 117649,191366,311270,506305,823543,1339556, 2178890,3544132,5764801,9376891] |