Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -1 |
4 | 2 |
5 | -2 |
6 | 2 |
7 | -3 |
8 | 4 |
9 | -4 |
10 | 5 |
11 | -6 |
12 | 8 |
13 | -9 |
14 | 10 |
15 | -12 |
16 | 15 |
17 | -17 |
18 | 19 |
19 | -22 |
20 | 27 |
21 | -30 |
22 | 34 |
23 | -39 |
24 | 46 |
25 | -52 |
26 | 58 |
27 | -66 |
28 | 77 |
29 | -86 |
30 | 96 |
31 | -109 |
32 | 125 |
33 | -139 |
34 | 155 |
35 | -174 |
36 | 198 |
37 | -220 |
38 | 244 |
39 | -273 |
40 | 308 |
41 | -341 |
42 | 377 |
43 | -420 |
44 | 470 |
45 | -519 |
46 | 573 |
47 | -635 |
48 | 707 |
49 | -779 |
50 | 857 |
51 | -946 |
52 | 1049 |
53 | -1152 |
54 | 1264 |
55 | -1392 |
56 | 1536 |
57 | -1683 |
58 | 1843 |
59 | -2022 |
60 | 2224 |
[1,-1,1,-1,2,-2,2,-3,4,-4,5,-6,8,-9,10,-12,15,-17, 19,-22,27,-30,34,-39,46,-52,58,-66,77,-86,96,-109, 125,-139,155,-174,198,-220,244,-273,308,-341,377, -420,470,-519,573,-635,707,-779,857,-946,1049, -1152,1264,-1392,1536,-1683,1843,-2022,2224] |