n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | 1 |
5 | -1 |
6 | 3 |
7 | -3 |
8 | 1 |
9 | 7 |
10 | -13 |
11 | 13 |
12 | 1 |
13 | -25 |
14 | 51 |
15 | -51 |
16 | 1 |
17 | 103 |
18 | -205 |
19 | 205 |
20 | 1 |
21 | -409 |
22 | 819 |
23 | -819 |
24 | 1 |
25 | 1639 |
26 | -3277 |
27 | 3277 |
28 | 1 |
29 | -6553 |
30 | 13107 |
31 | -13107 |
32 | 1 |
33 | 26215 |
34 | -52429 |
35 | 52429 |
36 | 1 |
37 | -104857 |
38 | 209715 |
39 | -209715 |
40 | 1 |
41 | 419431 |
42 | -838861 |
43 | 838861 |
44 | 1 |
45 | -1677721 |
46 | 3355443 |
47 | -3355443 |
48 | 1 |
49 | 6710887 |
50 | -13421773 |
51 | 13421773 |
52 | 1 |
[1,1,-1,1,1,-1,3,-3,1,7,-13,13,1,-25,51,-51,1,103, -205,205,1,-409,819,-819,1,1639,-3277,3277,1, -6553,13107,-13107,1,26215,-52429,52429,1,-104857, 209715,-209715,1,419431,-838861,838861,1,-1677721, 3355443,-3355443,1,6710887,-13421773,13421773,1] |