cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A167687 a(n)=A167683(n)-A167686(n).

Table of values

n a(n)
0 0
1 1
2 0
3 2
4 -1
5 1
6 0
7 0
8 0
9 1
10 0
11 -1
12 0
13 0
14 0
15 2
16 -1
17 0
18 0
19 -1
20 0
21 0
22 0
23 0
24 0
25 1
26 0
27 0
28 0
29 1
30 0
31 0
32 0
33 0
34 0
35 2
36 -1
37 0
38 0
39 0
40 0
41 1
42 0
43 0
44 0
45 0
46 0
47 0
48 0
49 1
50 0
51 0
52 0
53 0
54 0
55 -1
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 2
64 -1
65 0
66 0
67 0
68 0
69 0
70 0
71 -1
72 0
73 0
74 0
75 0
76 0
77 0
78 0
79 0
80 0
81 1
82 0
83 0
84 0
85 0
86 0
87 0
88 0
89 1
90 0
91 0
92 0
93 0
94 0
95 0
96 0
97 0
98 0
99 2
100 -1

List of values

[0, 1, 0, 2, -1, 1, 0, 0, 0, 1, 0, -1, 0, 0, 0, 2, -1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 2, -1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, -1]