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