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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 19 |
| 4 | 38 |
| 5 | 69 |
| 6 | 121 |
| 7 | 207 |
| 8 | 347 |
| 9 | 575 |
| 10 | 945 |
| 11 | 1545 |
| 12 | 2517 |
| 13 | 4091 |
| 14 | 6639 |
| 15 | 10763 |
| 16 | 17438 |
| 17 | 28239 |
| 18 | 45717 |
| 19 | 73998 |
| 20 | 119759 |
| 21 | 193803 |
| 22 | 313610 |
| 23 | 507463 |
| 24 | 821125 |
| 25 | 1328642 |
| 26 | 2149823 |
| 27 | 3478523 |
| 28 | 5628406 |
| 29 | 9106991 |
| 30 | 14735461 |
| 31 | 23842518 |
| 32 | 38578047 |
| 33 | 62420635 |
| 34 | 100998755 |
| 35 | 163419465 |
[1,2,9,19,38,69,121,207,347,575,945,1545,2517, 4091,6639,10763,17438,28239,45717,73998,119759, 193803,313610,507463,821125,1328642,2149823, 3478523,5628406,9106991,14735461,23842518, 38578047,62420635,100998755,163419465] |