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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 10 |
| 8 | 17 |
| 9 | 31 |
| 10 | 55 |
| 11 | 97 |
| 12 | 196 |
| 13 | 380 |
| 14 | 693 |
| 15 | 1365 |
| 16 | 2439 |
| 17 | 6518 |
| 18 | 13432 |
| 19 | 27950 |
| 20 | 50925 |
| 21 | 198540 |
| 22 | 312203 |
| 23 | 660314 |
| 24 | 1411928 |
| 25 | 2812555 |
| 26 | 12815169 |
| 27 | 19252925 |
| 28 | 52405725 |
| 29 | 103362331 |
| 30 | 196884120 |
| 31 | 977266081 |
| 32 | 2188643337 |
| 33 | 4072602146 |
| 34 | 8042158183 |
| 35 | 16652740865 |
| 36 | 87620531942 |
[1,1,2,3,5,8,10,17,31,55,97,196,380,693,1365,2439, 6518,13432,27950,50925,198540,312203,660314, 1411928,2812555,12815169,19252925,52405725, 103362331,196884120,977266081,2188643337, 4072602146,8042158183,16652740865,87620531942] |