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.

A113142 Expansion of x(1-3x+x^2+x^3)/(1+x)^2.

Table of values

n a(n)
0 0
1 1
2 -5
3 10
4 -14
5 18
6 -22
7 26
8 -30
9 34
10 -38
11 42
12 -46
13 50
14 -54
15 58
16 -62
17 66
18 -70
19 74
20 -78
21 82
22 -86
23 90
24 -94
25 98
26 -102
27 106
28 -110
29 114
30 -118
31 122
32 -126
33 130
34 -134
35 138
36 -142
37 146
38 -150
39 154
40 -158
41 162
42 -166
43 170
44 -174
45 178
46 -182
47 186

List of values

[0, 1, -5, 10, -14, 18, -22, 26, -30, 34, -38, 42, -46, 50, -54, 58, -62, 66, -70, 74, -78, 82, -86, 90, -94, 98, -102, 106, -110, 114, -118, 122, -126, 130, -134, 138, -142, 146, -150, 154, -158, 162, -166, 170, -174, 178, -182, 186]