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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.

A107504 Theta series of quadratic form with Gram matrix [ 12, -1, 5, 2; -1, 12, 5, 2; 5, 5, 14, 3; 2, 2, 3, 22].

Table of values

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

List of values

[1, 0, 0, 0, 0, 0, 4, 2, 6, 0, 0, 4, 0, 2, 0, 6, 0, 0, 12, 6, 14, 6, 0, 0, 16, 0, 6, 0, 18, 0, 0, 14, 14, 10, 16, 0, 0, 10, 0, 8, 0, 18, 0, 0, 22, 26, 22, 12, 0, 0, 28, 0, 14, 0, 34, 0, 0, 24, 26, 18, 50, 0, 0, 34, 0, 12, 0, 12, 0, 0, 40, 16, 56, 24, 0, 0, 36]

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