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.

A131944 Expansion of (1 - b(q)*b(q^2)) / 3 where b() is a cubic AGM function. Expansion of (1 - eta(q)^3 * eta(q^2)^3 / (eta(q^3) * eta(q^6))) / 3 in powers of q.

Table of values

n a(n)
1 1
2 1
3 -5
4 1
5 6
6 -5
7 8
8 1
9 -23
10 6
11 12
12 -5
13 14
14 8
15 -30
16 1
17 18
18 -23
19 20
20 6
21 -40
22 12
23 24
24 -5
25 31
26 14
27 -77
28 8
29 30
30 -30
31 32
32 1
33 -60
34 18
35 48
36 -23
37 38
38 20
39 -70
40 6
41 42
42 -40
43 44
44 12
45 -138
46 24
47 48
48 -5
49 57
50 31
51 -90
52 14
53 54
54 -77
55 72
56 8
57 -100
58 30
59 60
60 -30
61 62
62 32
63 -184

List of values

[1, 1, -5, 1, 6, -5, 8, 1, -23, 6, 12, -5, 14, 8, -30, 1, 18, -23, 20, 6, -40, 12, 24, -5, 31, 14, -77, 8, 30, -30, 32, 1, -60, 18, 48, -23, 38, 20, -70, 6, 42, -40, 44, 12, -138, 24, 48, -5, 57, 31, -90, 14, 54, -77, 72, 8, -100, 30, 60, -30, 62, 32, -184]