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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 6 |
| 8 | 8 |
| 9 | 13 |
| 10 | 22 |
| 11 | 35 |
| 12 | 48 |
| 13 | 89 |
| 14 | 129 |
| 15 | 228 |
| 16 | 345 |
| 17 | 609 |
| 18 | 897 |
| 19 | 1624 |
| 20 | 2421 |
| 21 | 4295 |
| 22 | 6598 |
| 23 | 11855 |
| 24 | 18217 |
| 25 | 32396 |
| 26 | 49787 |
| 27 | 88387 |
| 28 | 139517 |
| 29 | 246442 |
| 30 | 380905 |
| 31 | 684682 |
| 32 | 1082651 |
| 33 | 1895821 |
| 34 | 3009692 |
| 35 | 5346768 |
| 36 | 8514026 |
| 37 | 15024307 |
| 38 | 23891567 |
| 39 | 42093993 |
| 40 | 68125683 |
| 41 | 119570322 |
[1,1,1,2,2,4,6,8,13,22,35,48,89,129,228,345,609, 897,1624,2421,4295,6598,11855,18217,32396,49787, 88387,139517,246442,380905,684682,1082651,1895821, 3009692,5346768,8514026,15024307,23891567, 42093993,68125683,119570322] |