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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.

A107499 Theta series of quadratic form with Gram matrix [ 6, 2, 2, 1; 2, 18, 5, 9; 2, 5, 18, 9; 1, 9, 9, 24].

Table of values

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

List of values

[1, 0, 0, 2, 0, 0, 0, 0, 0, 4, 4, 0, 8, 2, 10, 0, 10, 8, 0, 0, 0, 0, 8, 6, 0, 12, 6, 8, 0, 4, 22, 0, 0, 0, 0, 18, 32, 0, 10, 8, 22, 0, 26, 12, 0, 0, 0, 0, 36, 18, 0, 20, 14, 16, 0, 20, 34, 0, 0, 0, 0, 10, 22, 0, 42, 12, 42, 0, 44, 26, 0, 0, 0, 0, 38, 34, 0, 30]

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