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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 7 |
| 7 | 9 |
| 8 | 17 |
| 9 | 25 |
| 10 | 43 |
| 11 | 67 |
| 12 | 111 |
| 13 | 177 |
| 14 | 289 |
| 15 | 465 |
| 16 | 755 |
| 17 | 1219 |
| 18 | 1975 |
| 19 | 3193 |
| 20 | 5169 |
| 21 | 8361 |
| 22 | 13531 |
| 23 | 21891 |
| 24 | 35423 |
| 25 | 57313 |
| 26 | 92737 |
| 27 | 150049 |
| 28 | 242787 |
| 29 | 392835 |
| 30 | 635623 |
| 31 | 1028457 |
| 32 | 1664081 |
| 33 | 2692537 |
| 34 | 4356619 |
| 35 | 7049155 |
| 36 | 11405775 |
| 37 | 18454929 |
| 38 | 29860705 |
| 39 | 48315633 |
| 40 | 78176339 |
[1,1,1,3,3,7,9,17,25,43,67,111,177,289,465,755, 1219,1975,3193,5169,8361,13531,21891,35423,57313, 92737,150049,242787,392835,635623,1028457,1664081, 2692537,4356619,7049155,11405775,18454929, 29860705,48315633,78176339] |