n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | 4 |
4 | -4 |
5 | 0 |
6 | 8 |
7 | -16 |
8 | 16 |
9 | 0 |
10 | -32 |
11 | 64 |
12 | -64 |
13 | 0 |
14 | 128 |
15 | -256 |
16 | 256 |
17 | 0 |
18 | -512 |
19 | 1024 |
20 | -1024 |
21 | 0 |
22 | 2048 |
23 | -4096 |
24 | 4096 |
25 | 0 |
26 | -8192 |
27 | 16384 |
28 | -16384 |
29 | 0 |
30 | 32768 |
31 | -65536 |
32 | 65536 |
33 | 0 |
34 | -131072 |
35 | 262144 |
36 | -262144 |
37 | 0 |
38 | 524288 |
39 | -1048576 |
40 | 1048576 |
41 | 0 |
42 | -2097152 |
43 | 4194304 |
44 | -4194304 |
45 | 0 |
46 | 8388608 |
[1,0,-2,4,-4,0,8,-16,16,0,-32,64,-64,0,128,-256, 256,0,-512,1024,-1024,0,2048,-4096,4096,0,-8192, 16384,-16384,0,32768,-65536,65536,0,-131072, 262144,-262144,0,524288,-1048576,1048576,0, -2097152,4194304,-4194304,0,8388608] |