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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 11 |
| 7 | 19 |
| 8 | 32 |
| 9 | 55 |
| 10 | 95 |
| 11 | 164 |
| 12 | 283 |
| 13 | 488 |
| 14 | 842 |
| 15 | 1451 |
| 16 | 2503 |
| 17 | 4318 |
| 18 | 7447 |
| 19 | 12844 |
| 20 | 22152 |
| 21 | 38207 |
| 22 | 65898 |
| 23 | 113657 |
| 24 | 196029 |
| 25 | 338101 |
| 26 | 583137 |
| 27 | 1005763 |
| 28 | 1734685 |
| 29 | 2991888 |
| 30 | 5160244 |
| 31 | 8900104 |
| 32 | 15350410 |
| 33 | 26475540 |
| 34 | 45663552 |
| 35 | 78757977 |
| 36 | 135837417 |
[1,1,2,4,6,11,19,32,55,95,164,283,488,842,1451, 2503,4318,7447,12844,22152,38207,65898,113657, 196029,338101,583137,1005763,1734685,2991888, 5160244,8900104,15350410,26475540,45663552, 78757977,135837417] |