n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 4 |
7 | 7 |
8 | 12 |
9 | 20 |
10 | 33 |
11 | 53 |
12 | 86 |
13 | 139 |
14 | 226 |
15 | 366 |
16 | 592 |
17 | 958 |
18 | 1550 |
19 | 2508 |
20 | 4059 |
21 | 6567 |
22 | 10626 |
23 | 17194 |
24 | 27820 |
25 | 45015 |
26 | 72835 |
27 | 117850 |
28 | 190686 |
29 | 308537 |
30 | 499224 |
31 | 807761 |
32 | 1306985 |
33 | 2114746 |
34 | 3421732 |
35 | 5536479 |
36 | 8958211 |
37 | 14494690 |
38 | 23452901 |
39 | 37947591 |
40 | 61400493 |
[0,0,0,1,1,3,4,7,12,20,33,53,86,139,226,366,592, 958,1550,2508,4059,6567,10626,17194,27820,45015, 72835,117850,190686,308537,499224,807761,1306985, 2114746,3421732,5536479,8958211,14494690,23452901, 37947591,61400493] |