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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 11 |
| 9 | 17 |
| 10 | 26 |
| 11 | 40 |
| 12 | 63 |
| 13 | 97 |
| 14 | 153 |
| 15 | 238 |
| 16 | 376 |
| 17 | 587 |
| 18 | 931 |
| 19 | 1458 |
| 20 | 2317 |
| 21 | 3640 |
| 22 | 5794 |
| 23 | 9124 |
| 24 | 14545 |
| 25 | 22951 |
| 26 | 36631 |
| 27 | 57904 |
| 28 | 92512 |
| 29 | 146461 |
| 30 | 234205 |
| 31 | 371281 |
| 32 | 594169 |
| 33 | 943045 |
| 34 | 1510192 |
| 35 | 2399460 |
| 36 | 3844787 |
| 37 | 6114555 |
| 38 | 9802895 |
| 39 | 15603339 |
| 40 | 25027296 |
[1,1,1,2,2,3,5,7,11,17,26,40,63,97,153,238,376, 587,931,1458,2317,3640,5794,9124,14545,22951, 36631,57904,92512,146461,234205,371281,594169, 943045,1510192,2399460,3844787,6114555,9802895, 15603339,25027296] |