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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 14 |
| 7 | 25 |
| 8 | 47 |
| 9 | 89 |
| 10 | 173 |
| 11 | 338 |
| 12 | 668 |
| 13 | 1322 |
| 14 | 2630 |
| 15 | 5235 |
| 16 | 10445 |
| 17 | 20843 |
| 18 | 41639 |
| 19 | 83189 |
| 20 | 166289 |
| 21 | 332405 |
| 22 | 664637 |
| 23 | 1328936 |
| 24 | 2657534 |
| 25 | 5314400 |
| 26 | 10628132 |
| 27 | 21254942 |
| 28 | 42508562 |
| 29 | 85014494 |
| 30 | 170026358 |
| 31 | 340047481 |
| 32 | 680089727 |
| 33 | 1360169009 |
| 34 | 2720327573 |
[0,1,2,3,5,8,14,25,47,89,173,338,668,1322,2630, 5235,10445,20843,41639,83189,166289,332405,664637, 1328936,2657534,5314400,10628132,21254942, 42508562,85014494,170026358,340047481,680089727, 1360169009,2720327573] |