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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 12 |
| 8 | 21 |
| 9 | 33 |
| 10 | 57 |
| 11 | 94 |
| 12 | 167 |
| 13 | 279 |
| 14 | 491 |
| 15 | 852 |
| 16 | 1507 |
| 17 | 2647 |
| 18 | 4714 |
| 19 | 8349 |
| 20 | 14923 |
| 21 | 26642 |
| 22 | 47793 |
| 23 | 85778 |
| 24 | 154474 |
| 25 | 278322 |
| 26 | 502715 |
| 27 | 908912 |
| 28 | 1646205 |
| 29 | 2984546 |
| 30 | 5418652 |
| 31 | 9847189 |
| 32 | 17916000 |
| 33 | 32625617 |
| 34 | 59470539 |
| 35 | 108493149 |
| 36 | 198094482 |
| 37 | 361965238 |
| 38 | 661891579 |
| 39 | 1211162270 |
[1,1,2,3,5,8,12,21,33,57,94,167,279,491,852,1507, 2647,4714,8349,14923,26642,47793,85778,154474, 278322,502715,908912,1646205,2984546,5418652, 9847189,17916000,32625617,59470539,108493149, 198094482,361965238,661891579,1211162270] |