n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 3 |
4 | -1 |
5 | 3 |
6 | -3 |
7 | 5 |
8 | -3 |
9 | 5 |
10 | -5 |
11 | 7 |
12 | -5 |
13 | 7 |
14 | -7 |
15 | 9 |
16 | -7 |
17 | 9 |
18 | -9 |
19 | 11 |
20 | -9 |
21 | 11 |
22 | -11 |
23 | 13 |
24 | -11 |
25 | 13 |
26 | -13 |
27 | 15 |
28 | -13 |
29 | 15 |
30 | -15 |
31 | 17 |
32 | -15 |
33 | 17 |
34 | -17 |
35 | 19 |
36 | -17 |
37 | 19 |
38 | -19 |
39 | 21 |
40 | -19 |
41 | 21 |
42 | -21 |
43 | 23 |
44 | -21 |
45 | 23 |
46 | -23 |
47 | 25 |
48 | -23 |
49 | 25 |
50 | -25 |
51 | 27 |
52 | -25 |
53 | 27 |
54 | -27 |
55 | 29 |
56 | -27 |
57 | 29 |
58 | -29 |
59 | 31 |
60 | -29 |
61 | 31 |
62 | -31 |
63 | 33 |
64 | -31 |
65 | 33 |
66 | -33 |
67 | 35 |
68 | -33 |
69 | 35 |
70 | -35 |
71 | 37 |
72 | -35 |
73 | 37 |
74 | -37 |
75 | 39 |
76 | -37 |
77 | 39 |
78 | -39 |
79 | 41 |
80 | -39 |
81 | 41 |
82 | -41 |
83 | 43 |
[1,1,-1,3,-1,3,-3,5,-3,5,-5,7,-5,7,-7,9,-7,9,-9, 11,-9,11,-11,13,-11,13,-13,15,-13,15,-15,17,-15, 17,-17,19,-17,19,-19,21,-19,21,-21,23,-21,23,-23, 25,-23,25,-25,27,-25,27,-27,29,-27,29,-29,31,-29, 31,-31,33,-31,33,-33,35,-33,35,-35,37,-35,37,-37, 39,-37,39,-39,41,-39,41,-41,43] |