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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 13 |
| 5 | 21 |
| 6 | 33 |
| 7 | 50 |
| 8 | 75 |
| 9 | 112 |
| 10 | 166 |
| 11 | 245 |
| 12 | 361 |
| 13 | 531 |
| 14 | 780 |
| 15 | 1145 |
| 16 | 1680 |
| 17 | 2464 |
| 18 | 3613 |
| 19 | 5297 |
| 20 | 7765 |
| 21 | 11382 |
| 22 | 16683 |
| 23 | 24452 |
| 24 | 35838 |
| 25 | 52525 |
| 26 | 76981 |
| 27 | 112823 |
| 28 | 165352 |
| 29 | 242337 |
| 30 | 355164 |
| 31 | 520520 |
| 32 | 762861 |
| 33 | 1118029 |
| 34 | 1638553 |
| 35 | 2401418 |
| 36 | 3519451 |
| 37 | 5158008 |
| 38 | 7559430 |
| 39 | 11078885 |
| 40 | 16236897 |
[1,2,4,8,13,21,33,50,75,112,166,245,361,531,780, 1145,1680,2464,3613,5297,7765,11382,16683,24452, 35838,52525,76981,112823,165352,242337,355164, 520520,762861,1118029,1638553,2401418,3519451, 5158008,7559430,11078885,16236897] |