n | a(n) |
---|---|
1 | 2 |
2 | -1 |
3 | 0 |
4 | 4 |
5 | -3 |
6 | 0 |
7 | 6 |
8 | -5 |
9 | 0 |
10 | 8 |
11 | -7 |
12 | 0 |
13 | 10 |
14 | -9 |
15 | 0 |
16 | 12 |
17 | -11 |
18 | 0 |
19 | 14 |
20 | -13 |
21 | 0 |
22 | 16 |
23 | -15 |
24 | 0 |
25 | 18 |
26 | -17 |
27 | 0 |
28 | 20 |
29 | -19 |
30 | 0 |
31 | 22 |
32 | -21 |
33 | 0 |
34 | 24 |
35 | -23 |
36 | 0 |
37 | 26 |
38 | -25 |
39 | 0 |
40 | 28 |
41 | -27 |
42 | 0 |
43 | 30 |
44 | -29 |
45 | 0 |
46 | 32 |
47 | -31 |
48 | 0 |
49 | 34 |
50 | -33 |
51 | 0 |
52 | 36 |
53 | -35 |
54 | 0 |
55 | 38 |
56 | -37 |
57 | 0 |
58 | 40 |
59 | -39 |
60 | 0 |
61 | 42 |
62 | -41 |
63 | 0 |
64 | 44 |
65 | -43 |
66 | 0 |
67 | 46 |
68 | -45 |
69 | 0 |
70 | 48 |
71 | -47 |
72 | 0 |
73 | 50 |
74 | -49 |
75 | 0 |
[2,-1,0,4,-3,0,6,-5,0,8,-7,0,10,-9,0,12,-11,0,14, -13,0,16,-15,0,18,-17,0,20,-19,0,22,-21,0,24,-23, 0,26,-25,0,28,-27,0,30,-29,0,32,-31,0,34,-33,0,36, -35,0,38,-37,0,40,-39,0,42,-41,0,44,-43,0,46,-45, 0,48,-47,0,50,-49,0] |