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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.

A320147 Number of integer solutions to a^2 + b^2 + 3*c^2 + 5*d^2 = n.

Table of values

n a(n)
0 1
1 4
2 4
3 2
4 12
5 18
6 8
7 16
8 24
9 28
10 40
11 8
12 26
13 72
14 16
15 16
16 44
17 44
18 68
19 24
20 34
21 80
22 72
23 28
24 40
25 124
26 40
27 50
28 112
29 56
30 80
31 40
32 76
33 144
34 120
35 32
36 84
37 216
38 24
39 40
40 136
41 80
42 160
43 88
44 56
45 154
46 88
47 28
48 158
49 228
50 100
51 48
52 216
53 172
54 80
55 104
56 80
57 300
58 280
59 40
60 112
61 248
62 120
63 112

List of values

[1, 4, 4, 2, 12, 18, 8, 16, 24, 28, 40, 8, 26, 72, 16, 16, 44, 44, 68, 24, 34, 80, 72, 28, 40, 124, 40, 50, 112, 56, 80, 40, 76, 144, 120, 32, 84, 216, 24, 40, 136, 80, 160, 88, 56, 154, 88, 28, 158, 228, 100, 48, 216, 172, 80, 104, 80, 300, 280, 40, 112, 248, 120, 112]

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

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