n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | -1 |
5 | 2 |
6 | 0 |
7 | 1 |
8 | -2 |
9 | 5 |
10 | -5 |
11 | 4 |
12 | -6 |
13 | 18 |
14 | -30 |
15 | 35 |
16 | -43 |
17 | 84 |
18 | -167 |
19 | 261 |
20 | -352 |
21 | 545 |
22 | -1010 |
23 | 1790 |
24 | -2783 |
25 | 4207 |
26 | -7025 |
27 | 12464 |
28 | -21071 |
29 | 33567 |
30 | -54154 |
31 | 92317 |
32 | -159366 |
33 | 266150 |
34 | -435285 |
35 | 725260 |
36 | -1239404 |
37 | 2112351 |
38 | -3535532 |
39 | 5894852 |
40 | -9964767 |
41 | 17008752 |
42 | -28880694 |
43 | 48645873 |
[1,1,1,1,-1,2,0,1,-2,5,-5,4,-6,18,-30,35,-43,84, -167,261,-352,545,-1010,1790,-2783,4207,-7025, 12464,-21071,33567,-54154,92317,-159366,266150, -435285,725260,-1239404,2112351,-3535532,5894852, -9964767,17008752,-28880694,48645873] |