n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 2 |
9 | 3 |
10 | 5 |
11 | 8 |
12 | 24 |
13 | 43 |
14 | 67 |
15 | 121 |
16 | 188 |
17 | 409 |
18 | 708 |
19 | 1228 |
20 | 1946 |
21 | 4131 |
22 | 6241 |
23 | 10525 |
24 | 17866 |
25 | 29428 |
26 | 58369 |
27 | 87881 |
28 | 156261 |
29 | 255242 |
30 | 412545 |
31 | 767846 |
32 | 1280460 |
33 | 2059307 |
34 | 3343656 |
35 | 5510186 |
36 | 9861418 |
37 | 16472261 |
38 | 26422596 |
39 | 43917688 |
40 | 73697381 |
41 | 125281166 |
42 | 206655249 |
[0,0,0,0,0,0,1,2,3,5,8,24,43,67,121,188,409,708, 1228,1946,4131,6241,10525,17866,29428,58369,87881, 156261,255242,412545,767846,1280460,2059307, 3343656,5510186,9861418,16472261,26422596, 43917688,73697381,125281166,206655249] |