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.

A227229 Expansion of (psi(q)^3 / psi(q^3))^2 in powers of q where psi() is a Ramanujan theta function.

Table of values

n a(n)
0 1
1 6
2 15
3 24
4 33
5 36
6 33
7 48
8 69
9 78
10 90
11 72
12 51
13 84
14 120
15 144
16 141
17 108
18 87
19 120
20 198
21 192
22 180
23 144
24 87
25 186
26 210
27 240
28 264
29 180
30 198
31 192
32 285
33 288
34 270
35 288
36 105
37 228
38 300
39 336
40 414
41 252
42 264
43 264
44 396
45 468
46 360
47 288
48 159
49 342
50 465
51 432
52 462
53 324
54 249

List of values

[1, 6, 15, 24, 33, 36, 33, 48, 69, 78, 90, 72, 51, 84, 120, 144, 141, 108, 87, 120, 198, 192, 180, 144, 87, 186, 210, 240, 264, 180, 198, 192, 285, 288, 270, 288, 105, 228, 300, 336, 414, 252, 264, 264, 396, 468, 360, 288, 159, 342, 465, 432, 462, 324, 249]