n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -1 |
4 | 1 |
5 | 1 |
6 | -3 |
7 | 5 |
8 | -7 |
9 | 9 |
10 | -7 |
11 | 1 |
12 | 9 |
13 | -23 |
14 | 41 |
15 | -55 |
16 | 57 |
17 | -39 |
18 | -7 |
19 | 89 |
20 | -199 |
21 | 313 |
22 | -391 |
23 | 377 |
24 | -199 |
25 | -199 |
26 | 825 |
27 | -1607 |
28 | 2361 |
29 | -2759 |
30 | 2361 |
31 | -711 |
32 | -2503 |
33 | 7225 |
34 | -12743 |
35 | 17465 |
36 | -18887 |
37 | 13881 |
38 | 569 |
39 | -26055 |
40 | 60985 |
41 | -98759 |
42 | 126521 |
[1,-1,1,-1,1,1,-3,5,-7,9,-7,1,9,-23,41,-55,57,-39, -7,89,-199,313,-391,377,-199,-199,825,-1607,2361, -2759,2361,-711,-2503,7225,-12743,17465,-18887, 13881,569,-26055,60985,-98759,126521] |