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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 7 |
| 10 | 11 |
| 11 | 17 |
| 12 | 27 |
| 13 | 44 |
| 14 | 73 |
| 15 | 122 |
| 16 | 204 |
| 17 | 340 |
| 18 | 566 |
| 19 | 945 |
| 20 | 1586 |
| 21 | 2674 |
| 22 | 4521 |
| 23 | 7656 |
| 24 | 12982 |
| 25 | 22047 |
| 26 | 37509 |
| 27 | 63934 |
| 28 | 109166 |
| 29 | 186685 |
| 30 | 319679 |
| 31 | 548091 |
| 32 | 940819 |
| 33 | 1616830 |
| 34 | 2781706 |
| 35 | 4790949 |
| 36 | 8259748 |
| 37 | 14253480 |
| 38 | 24618561 |
| 39 | 42557378 |
[1,1,1,1,1,1,1,2,4,7,11,17,27,44,73,122,204,340, 566,945,1586,2674,4521,7656,12982,22047,37509, 63934,109166,186685,319679,548091,940819,1616830, 2781706,4790949,8259748,14253480,24618561, 42557378] |