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 | 1 |
5 | -4 |
6 | 3 |
7 | 2 |
8 | -6 |
9 | 4 |
10 | 3 |
11 | -8 |
12 | 5 |
13 | 4 |
14 | -10 |
15 | 6 |
16 | 5 |
17 | -12 |
18 | 7 |
19 | 6 |
20 | -14 |
21 | 8 |
22 | 7 |
23 | -16 |
24 | 9 |
25 | 8 |
26 | -18 |
27 | 10 |
28 | 9 |
29 | -20 |
30 | 11 |
31 | 10 |
32 | -22 |
33 | 12 |
34 | 11 |
35 | -24 |
36 | 13 |
37 | 12 |
38 | -26 |
39 | 14 |
40 | 13 |
41 | -28 |
42 | 15 |
43 | 14 |
44 | -30 |
45 | 16 |
46 | 15 |
47 | -32 |
48 | 17 |
49 | 16 |
50 | -34 |
51 | 18 |
52 | 17 |
53 | -36 |
54 | 19 |
55 | 18 |
56 | -38 |
[1,0,-2,2,1,-4,3,2,-6,4,3,-8,5,4,-10,6,5,-12,7,6, -14,8,7,-16,9,8,-18,10,9,-20,11,10,-22,12,11,-24, 13,12,-26,14,13,-28,15,14,-30,16,15,-32,17,16,-34, 18,17,-36,19,18,-38] |