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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 10 |
| 9 | 15 |
| 10 | 23 |
| 11 | 35 |
| 12 | 52 |
| 13 | 77 |
| 14 | 115 |
| 15 | 173 |
| 16 | 260 |
| 17 | 389 |
| 18 | 581 |
| 19 | 869 |
| 20 | 1302 |
| 21 | 1951 |
| 22 | 2921 |
| 23 | 4371 |
| 24 | 6542 |
| 25 | 9795 |
| 26 | 14667 |
| 27 | 21959 |
| 28 | 32872 |
| 29 | 49209 |
| 30 | 73671 |
| 31 | 110297 |
| 32 | 165128 |
| 33 | 247209 |
| 34 | 370089 |
| 35 | 554057 |
| 36 | 829482 |
| 37 | 1241819 |
| 38 | 1859117 |
| 39 | 2783263 |
| 40 | 4166802 |
[1,1,1,2,3,5,7,10,15,23,35,52,77,115,173,260,389, 581,869,1302,1951,2921,4371,6542,9795,14667,21959, 32872,49209,73671,110297,165128,247209,370089, 554057,829482,1241819,1859117,2783263,4166802] |