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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 13 |
| 7 | 19 |
| 8 | 30 |
| 9 | 48 |
| 10 | 76 |
| 11 | 118 |
| 12 | 187 |
| 13 | 293 |
| 14 | 461 |
| 15 | 725 |
| 16 | 1140 |
| 17 | 1789 |
| 18 | 2815 |
| 19 | 4422 |
| 20 | 6950 |
| 21 | 10924 |
| 22 | 17169 |
| 23 | 26979 |
| 24 | 42405 |
| 25 | 66644 |
| 26 | 104738 |
| 27 | 164610 |
| 28 | 258708 |
| 29 | 406588 |
| 30 | 639010 |
| 31 | 1004287 |
| 32 | 1578364 |
| 33 | 2480606 |
| 34 | 3898600 |
| 35 | 6127152 |
| 36 | 9629624 |
| 37 | 15134213 |
| 38 | 23785389 |
| 39 | 37381849 |
| 40 | 58750469 |
[1,1,2,3,5,7,13,19,30,48,76,118,187,293,461,725, 1140,1789,2815,4422,6950,10924,17169,26979,42405, 66644,104738,164610,258708,406588,639010,1004287, 1578364,2480606,3898600,6127152,9629624,15134213, 23785389,37381849,58750469] |