n | a(n) |
---|---|
0 | 2 |
1 | -1 |
2 | 1 |
3 | -1 |
4 | 0 |
5 | 3 |
6 | -3 |
7 | 0 |
8 | 5 |
9 | -5 |
10 | 0 |
11 | 7 |
12 | -7 |
13 | 0 |
14 | 9 |
15 | -9 |
16 | 0 |
17 | 11 |
18 | -11 |
19 | 0 |
20 | 13 |
21 | -13 |
22 | 0 |
23 | 15 |
24 | -15 |
25 | 0 |
26 | 17 |
27 | -17 |
28 | 0 |
29 | 19 |
30 | -19 |
31 | 0 |
32 | 21 |
33 | -21 |
34 | 0 |
35 | 23 |
36 | -23 |
37 | 0 |
38 | 25 |
39 | -25 |
40 | 0 |
41 | 27 |
42 | -27 |
43 | 0 |
44 | 29 |
45 | -29 |
46 | 0 |
47 | 31 |
48 | -31 |
49 | 0 |
50 | 33 |
51 | -33 |
52 | 0 |
53 | 35 |
54 | -35 |
55 | 0 |
56 | 37 |
57 | -37 |
58 | 0 |
59 | 39 |
60 | -39 |
[2,-1,1,-1,0,3,-3,0,5,-5,0,7,-7,0,9,-9,0,11,-11,0, 13,-13,0,15,-15,0,17,-17,0,19,-19,0,21,-21,0,23, -23,0,25,-25,0,27,-27,0,29,-29,0,31,-31,0,33,-33, 0,35,-35,0,37,-37,0,39,-39] |