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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 1 |
| 4 | 8 |
| 5 | 14 |
| 6 | 16 |
| 7 | 37 |
| 8 | 61 |
| 9 | 89 |
| 10 | 144 |
| 11 | 244 |
| 12 | 392 |
| 13 | 633 |
| 14 | 1023 |
| 15 | 1641 |
| 16 | 2680 |
| 17 | 4306 |
| 18 | 6968 |
| 19 | 11261 |
| 20 | 18209 |
| 21 | 29489 |
| 22 | 47688 |
| 23 | 77200 |
| 24 | 124880 |
| 25 | 202073 |
| 26 | 326931 |
| 27 | 528993 |
| 28 | 855952 |
| 29 | 1384942 |
| 30 | 2240896 |
| 31 | 3625869 |
| 32 | 5866797 |
| 33 | 9492633 |
| 34 | 15359464 |
| 35 | 24852068 |
| 36 | 40211496 |
| 37 | 65063537 |
| 38 | 105275007 |
[0,1,3,1,8,14,16,37,61,89,144,244,392,633,1023, 1641,2680,4306,6968,11261,18209,29489,47688,77200, 124880,202073,326931,528993,855952,1384942, 2240896,3625869,5866797,9492633,15359464,24852068, 40211496,65063537,105275007] |