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.

A373335 Expansion of Sum_{k>=1} x^k / (1 + x^k + x^(2*k) + x^(3*k) + x^(4*k)).

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 0
9 1
10 0
11 2
12 0
13 1
14 -1
15 1
16 1
17 0
18 1
19 1
20 0
21 1
22 0
23 1
24 0
25 1
26 1
27 0
28 -1
29 1
30 1
31 2
32 0
33 2
34 -1
35 0
36 1
37 0
38 0
39 1
40 0
41 2
42 0
43 1
44 0
45 1
46 1
47 0
48 1
49 0
50 0
51 1
52 0
53 1
54 0
55 2
56 0
57 0
58 0
59 1
60 0
61 2
62 0
63 1
64 0
65 1
66 2
67 0
68 -1
69 1
70 -1
71 2
72 0
73 1
74 -1
75 1
76 1
77 0
78 2
79 1
80 1
81 1
82 0
83 1
84 -1
85 0
86 1
87 0
88 0
89 1
90 1
91 1
92 0
93 2
94 -1
95 1
96 1
97 0
98 -1
99 2
100 0
101 2

List of values

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