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.

A005875 Theta series of simple cubic lattice; also number of ways of writing a nonnegative integer n as a sum of 3 squares (zero being allowed).

Table of values

n a(n)
0 1
1 6
2 12
3 8
4 6
5 24
6 24
7 0
8 12
9 30
10 24
11 24
12 8
13 24
14 48
15 0
16 6
17 48
18 36
19 24
20 24
21 48
22 24
23 0
24 24
25 30
26 72
27 32
28 0
29 72
30 48
31 0
32 12
33 48
34 48
35 48
36 30
37 24
38 72
39 0
40 24
41 96
42 48
43 24
44 24
45 72
46 48
47 0
48 8
49 54
50 84
51 48
52 24
53 72
54 96
55 0
56 48
57 48
58 24
59 72
60 0
61 72
62 96
63 0
64 6
65 96
66 96
67 24
68 48
69 96
70 48
71 0
72 36
73 48
74 120

List of values

[1, 6, 12, 8, 6, 24, 24, 0, 12, 30, 24, 24, 8, 24, 48, 0, 6, 48, 36, 24, 24, 48, 24, 0, 24, 30, 72, 32, 0, 72, 48, 0, 12, 48, 48, 48, 30, 24, 72, 0, 24, 96, 48, 24, 24, 72, 48, 0, 8, 54, 84, 48, 24, 72, 96, 0, 48, 48, 24, 72, 0, 72, 96, 0, 6, 96, 96, 24, 48, 96, 48, 0, 36, 48, 120]