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.

A320125 Number of integer solutions to a^2 + b^2 + 2*c^2 + 4*d^2 = n.

Table of values

n a(n)
0 1
1 4
2 6
3 8
4 14
5 16
6 20
7 32
8 30
9 28
10 40
11 40
12 36
13 48
14 48
15 32
16 62
17 72
18 42
19 72
20 72
21 64
22 100
23 96
24 68
25 84
26 120
27 80
28 112
29 112
30 48
31 128
32 126
33 80
34 108
35 128
36 98
37 144
38 180
39 96
40 136
41 168
42 160
43 168
44 180
45 112
46 144
47 192
48 132
49 228
50 126
51 144
52 216
53 208
54 200
55 160
56 240
57 144
58 280
59 232

List of values

[1, 4, 6, 8, 14, 16, 20, 32, 30, 28, 40, 40, 36, 48, 48, 32, 62, 72, 42, 72, 72, 64, 100, 96, 68, 84, 120, 80, 112, 112, 48, 128, 126, 80, 108, 128, 98, 144, 180, 96, 136, 168, 160, 168, 180, 112, 144, 192, 132, 228, 126, 144, 216, 208, 200, 160, 240, 144, 280, 232]

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

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