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