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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.

A275639 Expansion of (1-q)^k/Product_{j=1..k} (1-q^j) for k=5.

Table of values

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

List of values

[1, -4, 7, -7, 5, -4, 4, -4, 5, -7, 8, -8, 9, -11, 12, -11, 9, -8, 9, -11, 13, -15, 16, -15, 14, -15, 16, -15, 14, -15, 17, -19, 21, -22, 21, -19, 18, -19, 21, -22, 22, -23, 25, -26, 26, -26, 25, -23, 23, -26, 29, -30, 30, -30, 30, -30, 30, -30, 30, -30, 31, -34, 37, -37, 35, -34, 34, -34, 35]

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