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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 21 |
| 7 | 34 |
| 8 | 55 |
| 9 | 87 |
| 10 | 138 |
| 11 | 211 |
| 12 | 324 |
| 13 | 486 |
| 14 | 727 |
| 15 | 1079 |
| 16 | 1584 |
| 17 | 2305 |
| 18 | 3337 |
| 19 | 4789 |
| 20 | 6830 |
| 21 | 9712 |
| 22 | 13689 |
| 23 | 19225 |
| 24 | 26841 |
| 25 | 37322 |
| 26 | 51598 |
| 27 | 71108 |
| 28 | 97580 |
| 29 | 133350 |
| 30 | 181558 |
| 31 | 246335 |
| 32 | 332991 |
| 33 | 448706 |
| 34 | 602607 |
| 35 | 806732 |
| 36 | 1077333 |
| 37 | 1433885 |
| 38 | 1903682 |
| 39 | 2520246 |
| 40 | 3328549 |
| 41 | 4383929 |
[1,1,2,4,7,12,21,34,55,87,138,211,324,486,727, 1079,1584,2305,3337,4789,6830,9712,13689,19225, 26841,37322,51598,71108,97580,133350,181558, 246335,332991,448706,602607,806732,1077333, 1433885,1903682,2520246,3328549,4383929] |