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.

A281722 Expansion of r(q) * s(q) in powers of q where r(), s() are cubic AGM functions.

Table of values

n a(n)
0 1
1 3
2 -18
3 12
4 21
5 -36
6 36
7 24
8 -90
9 12
10 54
11 -72
12 84
13 42
14 -144
15 72
16 93
17 -108
18 36
19 60
20 -252
21 96
22 108
23 -144
24 180
25 93
26 -252
27 12
28 168
29 -180
30 216
31 96
32 -378
33 144
34 162
35 -288
36 84
37 114
38 -360
39 168
40 270
41 -252
42 288
43 132
44 -504
45 72
46 216
47 -288
48 372
49 171
50 -558
51 216
52 294
53 -324

List of values

[1, 3, -18, 12, 21, -36, 36, 24, -90, 12, 54, -72, 84, 42, -144, 72, 93, -108, 36, 60, -252, 96, 108, -144, 180, 93, -252, 12, 168, -180, 216, 96, -378, 144, 162, -288, 84, 114, -360, 168, 270, -252, 288, 132, -504, 72, 216, -288, 372, 171, -558, 216, 294, -324]