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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 15 |
| 7 | 25 |
| 8 | 43 |
| 9 | 73 |
| 10 | 123 |
| 11 | 209 |
| 12 | 355 |
| 13 | 601 |
| 14 | 1019 |
| 15 | 1729 |
| 16 | 2931 |
| 17 | 4969 |
| 18 | 8427 |
| 19 | 14289 |
| 20 | 24227 |
| 21 | 41081 |
| 22 | 69659 |
| 23 | 118113 |
| 24 | 200275 |
| 25 | 339593 |
| 26 | 575819 |
| 27 | 976369 |
| 28 | 1655555 |
| 29 | 2807193 |
| 30 | 4759931 |
| 31 | 8071041 |
| 32 | 13685427 |
| 33 | 23205289 |
| 34 | 39347371 |
| 35 | 66718225 |
| 36 | 113128803 |
| 37 | 191823545 |
| 38 | 325259995 |
[1,2,3,5,9,15,25,43,73,123,209,355,601,1019,1729, 2931,4969,8427,14289,24227,41081,69659,118113, 200275,339593,575819,976369,1655555,2807193, 4759931,8071041,13685427,23205289,39347371, 66718225,113128803,191823545,325259995] |