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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 19 |
| 9 | 29 |
| 10 | 47 |
| 11 | 76 |
| 12 | 125 |
| 13 | 200 |
| 14 | 322 |
| 15 | 519 |
| 16 | 845 |
| 17 | 1366 |
| 18 | 2211 |
| 19 | 3573 |
| 20 | 5778 |
| 21 | 9342 |
| 22 | 15122 |
| 23 | 24481 |
| 24 | 39639 |
| 25 | 64094 |
| 26 | 103684 |
| 27 | 167734 |
| 28 | 271397 |
| 29 | 439178 |
| 30 | 710698 |
| 31 | 1149964 |
| 32 | 1860751 |
| 33 | 3010500 |
| 34 | 4870792 |
| 35 | 7880666 |
| 36 | 12751729 |
| 37 | 20632965 |
| 38 | 33385273 |
| 39 | 54019297 |
| 40 | 87406719 |
[1,0,1,1,3,4,7,11,19,29,47,76,125,200,322,519,845, 1366,2211,3573,5778,9342,15122,24481,39639,64094, 103684,167734,271397,439178,710698,1149964, 1860751,3010500,4870792,7880666,12751729,20632965, 33385273,54019297,87406719] |