Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -4 |
3 | 8 |
4 | 0 |
5 | -32 |
6 | 64 |
7 | 0 |
8 | -256 |
9 | 512 |
10 | 0 |
11 | -2048 |
12 | 4096 |
13 | 0 |
14 | -16384 |
15 | 32768 |
16 | 0 |
17 | -131072 |
18 | 262144 |
19 | 0 |
20 | -1048576 |
21 | 2097152 |
22 | 0 |
23 | -8388608 |
24 | 16777216 |
25 | 0 |
26 | -67108864 |
27 | 134217728 |
28 | 0 |
29 | -536870912 |
30 | 1073741824 |
31 | 0 |
32 | -4294967296 |
33 | 8589934592 |
34 | 0 |
35 | -34359738368 |
36 | 68719476736 |
37 | 0 |
38 | -274877906944 |
39 | 549755813888 |
40 | 0 |
[1,0,-4,8,0,-32,64,0,-256,512,0,-2048,4096,0, -16384,32768,0,-131072,262144,0,-1048576,2097152, 0,-8388608,16777216,0,-67108864,134217728,0, -536870912,1073741824,0,-4294967296,8589934592,0, -34359738368,68719476736,0,-274877906944, 549755813888,0] |