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.

A320124 Number of integer solutions to a^2 + b^2 + 2*c^2 + 3*d^2 = n.

Table of values

n a(n)
0 1
1 4
2 6
3 10
4 20
5 20
6 24
7 40
8 22
9 28
10 56
11 20
12 50
13 80
14 28
15 80
16 84
17 32
18 78
19 80
20 68
21 100
22 120
23 80
24 88
25 124
26 56
27 82
28 136
29 100
30 140
31 200
32 86
33 80
34 192
35 72
36 140
37 240
38 120
39 200
40 248
41 80
42 112
43 176
44 100
45 260
46 224
47 160
48 210
49 172
50 186
51 128
52 272
53 180
54 240
55 400
56 124
57 200
58 280
59 116

List of values

[1, 4, 6, 10, 20, 20, 24, 40, 22, 28, 56, 20, 50, 80, 28, 80, 84, 32, 78, 80, 68, 100, 120, 80, 88, 124, 56, 82, 136, 100, 140, 200, 86, 80, 192, 72, 140, 240, 120, 200, 248, 80, 112, 176, 100, 260, 224, 160, 210, 172, 186, 128, 272, 180, 240, 400, 124, 200, 280, 116]

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

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