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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.

A107500 Theta series of quadratic form with Gram matrix [ 10, 4, 4, 1; 4, 12, -1, 3; 4, -1, 12, 3; 1, 3, 3, 30].

Table of values

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

List of values

[1, 0, 0, 0, 0, 2, 4, 4, 2, 0, 0, 2, 0, 2, 0, 8, 0, 0, 14, 2, 8, 10, 0, 0, 18, 0, 6, 0, 18, 0, 0, 4, 24, 16, 22, 0, 0, 14, 0, 8, 0, 10, 0, 0, 20, 22, 22, 14, 0, 0, 30, 0, 14, 0, 30, 0, 0, 24, 22, 10, 48, 0, 0, 24, 0, 12, 0, 24, 0, 0, 46, 22, 60, 12, 0, 0, 32, 0]

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