n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | -1 |
5 | 1 |
6 | -2 |
7 | 1 |
8 | -3 |
9 | 1 |
10 | 1 |
11 | -4 |
12 | 3 |
13 | 1 |
14 | -5 |
15 | 6 |
16 | -1 |
17 | 1 |
18 | -6 |
19 | 10 |
20 | -4 |
21 | 1 |
22 | -7 |
23 | 15 |
24 | -10 |
25 | 1 |
26 | 1 |
27 | -8 |
28 | 21 |
29 | -20 |
30 | 5 |
31 | 1 |
32 | -9 |
33 | 28 |
34 | -35 |
35 | 15 |
36 | -1 |
37 | 1 |
38 | -10 |
39 | 36 |
40 | -56 |
41 | 35 |
42 | -6 |
43 | 1 |
44 | -11 |
45 | 45 |
46 | -84 |
47 | 70 |
48 | -21 |
49 | 1 |
50 | 1 |
51 | -12 |
52 | 55 |
53 | -120 |
54 | 126 |
55 | -56 |
56 | 7 |
57 | 1 |
58 | -13 |
59 | 66 |
60 | -165 |
61 | 210 |
62 | -126 |
63 | 28 |
64 | -1 |
65 | 1 |
66 | -14 |
67 | 78 |
68 | -220 |
69 | 330 |
70 | -252 |
71 | 84 |
72 | -8 |
73 | 1 |
74 | -15 |
75 | 91 |
76 | -286 |
77 | 495 |
78 | -462 |
79 | 210 |
80 | -36 |
81 | 1 |
[1,1,1,-1,1,-2,1,-3,1,1,-4,3,1,-5,6,-1,1,-6,10,-4, 1,-7,15,-10,1,1,-8,21,-20,5,1,-9,28,-35,15,-1,1, -10,36,-56,35,-6,1,-11,45,-84,70,-21,1,1,-12,55, -120,126,-56,7,1,-13,66,-165,210,-126,28,-1,1,-14, 78,-220,330,-252,84,-8,1,-15,91,-286,495,-462,210, -36,1] |