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.

A134078 Expansion of (phi(-q) / phi(-q^2))^3 * phi(q^3)^5 / phi(-q^6) in powers of q where phi() is a Ramanujan theta function.

Table of values

n a(n)
0 1
1 -6
2 18
3 -34
4 42
5 -36
6 30
7 -48
8 90
9 -118
10 108
11 -72
12 54
13 -84
14 144
15 -204
16 186
17 -108
18 66
19 -120
20 252
21 -272
22 216
23 -144
24 102
25 -186
26 252
27 -370
28 336
29 -180
30 180
31 -192
32 378
33 -408
34 324
35 -288
36 90
37 -228
38 360
39 -476
40 540
41 -252
42 240
43 -264
44 504
45 -708
46 432
47 -288
48 198
49 -342

List of values

[1, -6, 18, -34, 42, -36, 30, -48, 90, -118, 108, -72, 54, -84, 144, -204, 186, -108, 66, -120, 252, -272, 216, -144, 102, -186, 252, -370, 336, -180, 180, -192, 378, -408, 324, -288, 90, -228, 360, -476, 540, -252, 240, -264, 504, -708, 432, -288, 198, -342]