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.

A000727 Expansion of Product_{k >= 1} (1 - x^k)^4.

Table of values

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

List of values

[1, -4, 2, 8, -5, -4, -10, 8, 9, 0, 14, -16, -10, -4, 0, -8, 14, 20, 2, 0, -11, 20, -32, -16, 0, -4, 14, 8, -9, 20, 26, 0, 2, -28, 0, -16, 16, -28, -22, 0, 14, 16, 0, 40, 0, -28, 26, 32, -17, 0, -32, -16, -22, 0, -10, 32, -34, -8, 14, 0, 45, -4, 38, 8, 0, 0, -34, -8, 38, 0, -22, -56, 2, -28, 0, 0, -10, 20, 64, -40, -20, 44]