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.

A364033 Expansion of Sum_{k>0} k * x^(3*k) / (1 + x^(4*k)).

Table of values

n a(n)
1 0
2 0
3 1
4 0
5 0
6 2
7 -1
8 0
9 3
10 0
11 1
12 4
13 0
14 -2
15 4
16 0
17 0
18 6
19 1
20 0
21 4
22 2
23 -1
24 8
25 0
26 0
27 10
28 -4
29 0
30 8
31 -1
32 0
33 14
34 0
35 -4
36 12
37 0
38 2
39 12
40 0
41 0
42 8
43 1
44 4
45 12
46 -2
47 -1
48 16
49 -7
50 0
51 18
52 0
53 0
54 20
55 4
56 -8
57 22
58 0
59 1
60 16
61 0
62 -2
63 11
64 0
65 0
66 28
67 1
68 0
69 20
70 -8
71 -1
72 24
73 0
74 0
75 21
76 4
77 -4
78 24
79 -1
80 0
81 30
82 0
83 1
84 16
85 0
86 2
87 28
88 8
89 0
90 24
91 -12

List of values

[0, 0, 1, 0, 0, 2, -1, 0, 3, 0, 1, 4, 0, -2, 4, 0, 0, 6, 1, 0, 4, 2, -1, 8, 0, 0, 10, -4, 0, 8, -1, 0, 14, 0, -4, 12, 0, 2, 12, 0, 0, 8, 1, 4, 12, -2, -1, 16, -7, 0, 18, 0, 0, 20, 4, -8, 22, 0, 1, 16, 0, -2, 11, 0, 0, 28, 1, 0, 20, -8, -1, 24, 0, 0, 21, 4, -4, 24, -1, 0, 30, 0, 1, 16, 0, 2, 28, 8, 0, 24, -12]