n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | -1 |
4 | 9 |
5 | -1 |
6 | -1 |
7 | 16 |
8 | -4 |
9 | -1 |
10 | 0 |
11 | 25 |
12 | -4 |
13 | -1 |
14 | 0 |
15 | -1 |
16 | 36 |
17 | -9 |
18 | -4 |
19 | 0 |
20 | -1 |
21 | 1 |
22 | 49 |
23 | -9 |
24 | -4 |
25 | 0 |
26 | -1 |
27 | 1 |
28 | -1 |
29 | 64 |
30 | -16 |
31 | -4 |
32 | 0 |
33 | -1 |
34 | 1 |
35 | -1 |
36 | 0 |
37 | 81 |
38 | -16 |
39 | -9 |
40 | 0 |
41 | -1 |
42 | 1 |
43 | -1 |
44 | 0 |
45 | 0 |
46 | 100 |
47 | -25 |
48 | -9 |
49 | 0 |
50 | -4 |
51 | 1 |
52 | -1 |
53 | 0 |
54 | 0 |
55 | 1 |
56 | 121 |
57 | -25 |
58 | -9 |
59 | 0 |
60 | -4 |
61 | 1 |
62 | -1 |
63 | 0 |
64 | 0 |
65 | 1 |
66 | -1 |
67 | 144 |
68 | -36 |
69 | -16 |
70 | 0 |
71 | -4 |
72 | 4 |
73 | -1 |
74 | 0 |
75 | 0 |
76 | 1 |
77 | -1 |
78 | 0 |
[1,4,-1,9,-1,-1,16,-4,-1,0,25,-4,-1,0,-1,36,-9,-4, 0,-1,1,49,-9,-4,0,-1,1,-1,64,-16,-4,0,-1,1,-1,0, 81,-16,-9,0,-1,1,-1,0,0,100,-25,-9,0,-4,1,-1,0,0, 1,121,-25,-9,0,-4,1,-1,0,0,1,-1,144,-36,-16,0,-4, 4,-1,0,0,1,-1,0] |