Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | 2 |
4 | 0 |
5 | -4 |
6 | 4 |
7 | 0 |
8 | -6 |
9 | 8 |
10 | 0 |
11 | -12 |
12 | 14 |
13 | 0 |
14 | -20 |
15 | 24 |
16 | 0 |
17 | -32 |
18 | 38 |
19 | 0 |
20 | -52 |
21 | 60 |
22 | 0 |
23 | -80 |
24 | 92 |
25 | 0 |
26 | -120 |
27 | 138 |
28 | 0 |
29 | -180 |
30 | 204 |
31 | 0 |
32 | -262 |
33 | 296 |
34 | 0 |
35 | -376 |
36 | 424 |
37 | 0 |
38 | -536 |
39 | 600 |
40 | 0 |
41 | -752 |
42 | 840 |
43 | 0 |
44 | -1044 |
45 | 1164 |
46 | 0 |
47 | -1440 |
48 | 1598 |
49 | 0 |
50 | -1966 |
51 | 2176 |
52 | 0 |
53 | -2660 |
54 | 2940 |
55 | 0 |
56 | -3580 |
57 | 3944 |
58 | 0 |
[1,0,-2,2,0,-4,4,0,-6,8,0,-12,14,0,-20,24,0,-32, 38,0,-52,60,0,-80,92,0,-120,138,0,-180,204,0,-262, 296,0,-376,424,0,-536,600,0,-752,840,0,-1044,1164, 0,-1440,1598,0,-1966,2176,0,-2660,2940,0,-3580, 3944,0] |