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.

A320130 Number of integer solutions to a^2 + b^2 + 2*c^2 + 8*d^2 = n.

Table of values

n a(n)
0 1
1 4
2 6
3 8
4 12
5 8
6 8
7 16
8 8
9 20
10 36
11 24
12 48
13 40
14 16
15 48
16 24
17 40
18 78
19 40
20 72
21 64
22 24
23 48
24 32
25 60
26 84
27 80
28 96
29 40
30 48
31 64
32 24
33 96
34 108
35 96
36 156
37 72
38 40
39 112
40 48
41 104
42 192
43 88
44 144
45 168
46 48
47 96
48 96
49 100
50 186
51 144
52 168
53 136
54 80
55 144
56 64
57 160
58 180
59 120
60 288
61 104
62 64
63 208

List of values

[1, 4, 6, 8, 12, 8, 8, 16, 8, 20, 36, 24, 48, 40, 16, 48, 24, 40, 78, 40, 72, 64, 24, 48, 32, 60, 84, 80, 96, 40, 48, 64, 24, 96, 108, 96, 156, 72, 40, 112, 48, 104, 192, 88, 144, 168, 48, 96, 96, 100, 186, 144, 168, 136, 80, 144, 64, 160, 180, 120, 288, 104, 64, 208]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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