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.

A261634 Expansion of Product_{k>=0} (1+x^(4*k+1))^3.

Table of values

n a(n)
0 1
1 3
2 3
3 1
4 0
5 3
6 9
7 9
8 3
9 3
10 12
11 18
12 12
13 6
14 18
15 37
16 33
17 15
18 22
19 54
20 66
21 42
22 36
23 81
24 114
25 84
26 57
27 112
28 189
29 171
30 109
31 156
32 279
33 294
34 201
35 222
36 405
37 486
38 360
39 328
40 564
41 747
42 617
43 504
44 783
45 1123
46 1017
47 783
48 1065
49 1602
50 1605

List of values

[1, 3, 3, 1, 0, 3, 9, 9, 3, 3, 12, 18, 12, 6, 18, 37, 33, 15, 22, 54, 66, 42, 36, 81, 114, 84, 57, 112, 189, 171, 109, 156, 279, 294, 201, 222, 405, 486, 360, 328, 564, 747, 617, 504, 783, 1123, 1017, 783, 1065, 1602, 1605]