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