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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 11 |
| 6 | 20 |
| 7 | 33 |
| 8 | 57 |
| 9 | 96 |
| 10 | 162 |
| 11 | 274 |
| 12 | 462 |
| 13 | 780 |
| 14 | 1317 |
| 15 | 2223 |
| 16 | 3751 |
| 17 | 6329 |
| 18 | 10680 |
| 19 | 18021 |
| 20 | 30409 |
| 21 | 51312 |
| 22 | 86584 |
| 23 | 146103 |
| 24 | 246538 |
| 25 | 416013 |
| 26 | 701993 |
| 27 | 1184566 |
| 28 | 1998882 |
| 29 | 3372999 |
| 30 | 5691754 |
| 31 | 9604549 |
| 32 | 16207222 |
| 33 | 27348969 |
| 34 | 46150243 |
| 35 | 77876717 |
| 36 | 131414064 |
[1,1,2,4,7,11,20,33,57,96,162,274,462,780,1317, 2223,3751,6329,10680,18021,30409,51312,86584, 146103,246538,416013,701993,1184566,1998882, 3372999,5691754,9604549,16207222,27348969, 46150243,77876717,131414064] |