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.

A262357 Number of ordered ways to write n as w^2 + x^2 + y^2 + z^2 with w^2*x^2 + 5*x^2*y^2 + 80*y^2*z^2 + 20*z^2*w^2 a square, where w is a positive integer and x,y,z are nonnegative integers.

Table of values

n a(n)
1 1
2 2
3 1
4 1
5 4
6 3
7 2
8 2
9 4
10 5
11 1
12 1
13 6
14 3
15 2
16 1
17 6
18 7
19 2
20 4
21 8
22 6
23 2
24 3
25 8
26 9
27 3
28 2
29 8
30 5
31 2
32 2
33 6
34 6
35 2
36 4
37 9
38 5
39 4
40 5
41 8
42 5
43 1
44 1
45 10
46 5
47 3
48 1
49 5
50 9
51 3
52 6
53 10
54 10
55 6
56 3
57 5
58 5
59 2
60 2
61 12
62 3
63 5
64 1
65 13
66 9
67 3
68 6
69 10
70 9

List of values

[1, 2, 1, 1, 4, 3, 2, 2, 4, 5, 1, 1, 6, 3, 2, 1, 6, 7, 2, 4, 8, 6, 2, 3, 8, 9, 3, 2, 8, 5, 2, 2, 6, 6, 2, 4, 9, 5, 4, 5, 8, 5, 1, 1, 10, 5, 3, 1, 5, 9, 3, 6, 10, 10, 6, 3, 5, 5, 2, 2, 12, 3, 5, 1, 13, 9, 3, 6, 10, 9]