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.

A320200 Number of integer solutions to a^2 + 2*b^2 + 4*c^2 + 12*d^2 = n.

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 4
5 4
6 8
7 8
8 6
9 6
10 8
11 4
12 10
13 16
14 4
15 16
16 20
17 16
18 26
19 28
20 20
21 20
22 40
23 16
24 24
25 38
26 8
27 32
28 40
29 20
30 20
31 40
32 22
33 32
34 64
35 24
36 28
37 48
38 40
39 40
40 56
41 16
42 16
43 52
44 20
45 52
46 32
47 32
48 50
49 62
50 62
51 32
52 80
53 36
54 80
55 80
56 28
57 68
58 40
59 52
60 80
61 80
62 20
63 56
64 84
65 48
66 100
67 100
68 32
69 64

List of values

[1, 2, 2, 4, 4, 4, 8, 8, 6, 6, 8, 4, 10, 16, 4, 16, 20, 16, 26, 28, 20, 20, 40, 16, 24, 38, 8, 32, 40, 20, 20, 40, 22, 32, 64, 24, 28, 48, 40, 40, 56, 16, 16, 52, 20, 52, 32, 32, 50, 62, 62, 32, 80, 36, 80, 80, 28, 68, 40, 52, 80, 80, 20, 56, 84, 48, 100, 100, 32, 64]

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

Content is available under The OEIS End-User License Agreement.