n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 0 |
3 | -1 |
4 | 1 |
5 | -1 |
6 | 1 |
7 | -1 |
8 | 2 |
9 | -2 |
10 | 2 |
11 | -2 |
12 | 3 |
13 | -3 |
14 | 3 |
15 | -4 |
16 | 5 |
17 | -5 |
18 | 5 |
19 | -6 |
20 | 7 |
21 | -8 |
22 | 8 |
23 | -9 |
24 | 11 |
25 | -12 |
26 | 12 |
27 | -14 |
28 | 16 |
29 | -17 |
30 | 18 |
31 | -20 |
32 | 23 |
33 | -25 |
34 | 26 |
35 | -29 |
36 | 33 |
37 | -35 |
38 | 37 |
39 | -41 |
40 | 46 |
41 | -49 |
42 | 52 |
43 | -57 |
44 | 63 |
45 | -68 |
46 | 72 |
47 | -78 |
48 | 87 |
49 | -93 |
50 | 98 |
51 | -107 |
52 | 117 |
53 | -125 |
54 | 133 |
55 | -144 |
56 | 157 |
57 | -168 |
58 | 178 |
59 | -192 |
60 | 209 |
61 | -223 |
62 | 236 |
63 | -255 |
64 | 276 |
65 | -294 |
66 | 312 |
67 | -335 |
68 | 361 |
69 | -385 |
[1,-1,0,-1,1,-1,1,-1,2,-2,2,-2,3,-3,3,-4,5,-5,5, -6,7,-8,8,-9,11,-12,12,-14,16,-17,18,-20,23,-25, 26,-29,33,-35,37,-41,46,-49,52,-57,63,-68,72,-78, 87,-93,98,-107,117,-125,133,-144,157,-168,178, -192,209,-223,236,-255,276,-294,312,-335,361,-385] |