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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 14 |
| 3 | 41 |
| 4 | 90 |
| 5 | 179 |
| 6 | 332 |
| 7 | 591 |
| 8 | 1022 |
| 9 | 1733 |
| 10 | 2898 |
| 11 | 4811 |
| 12 | 7917 |
| 13 | 12983 |
| 14 | 21188 |
| 15 | 34494 |
| 16 | 56042 |
| 17 | 90935 |
| 18 | 147417 |
| 19 | 238835 |
| 20 | 386780 |
| 21 | 626190 |
| 22 | 1013594 |
| 23 | 1640459 |
| 24 | 2654781 |
| 25 | 4296023 |
| 26 | 6951644 |
| 27 | 11248566 |
| 28 | 18201170 |
| 29 | 29450759 |
| 30 | 47653017 |
| 31 | 77104931 |
| 32 | 124759172 |
| 33 | 201865398 |
| 34 | 326625938 |
[1,3,14,41,90,179,332,591,1022,1733,2898,4811, 7917,12983,21188,34494,56042,90935,147417,238835, 386780,626190,1013594,1640459,2654781,4296023, 6951644,11248566,18201170,29450759,47653017, 77104931,124759172,201865398,326625938] |