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.

A273107 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with (8*x+12*y)^2 + (15*z)^2 a square, where x,y,z,w are nonnegative integers with x+y > 0 and z > 0.

Table of values

n a(n)
1 0
2 1
3 2
4 1
5 0
6 1
7 1
8 1
9 1
10 1
11 3
12 4
13 2
14 3
15 2
16 1
17 2
18 3
19 3
20 1
21 2
22 3
23 1
24 1
25 1
26 1
27 4
28 3
29 3
30 4
31 1
32 1
33 5
34 3
35 2
36 3
37 3
38 5
39 2
40 1
41 2
42 1
43 3
44 3
45 3
46 3
47 2
48 4
49 5
50 5
51 2
52 4
53 5
54 6
55 1
56 3
57 7
58 3
59 5
60 4
61 2
62 6
63 4
64 1
65 5
66 4
67 5
68 4
69 7
70 7
71 4
72 3
73 5
74 4
75 5
76 6
77 2
78 10
79 3
80 1

List of values

[0, 1, 2, 1, 0, 1, 1, 1, 1, 1, 3, 4, 2, 3, 2, 1, 2, 3, 3, 1, 2, 3, 1, 1, 1, 1, 4, 3, 3, 4, 1, 1, 5, 3, 2, 3, 3, 5, 2, 1, 2, 1, 3, 3, 3, 3, 2, 4, 5, 5, 2, 4, 5, 6, 1, 3, 7, 3, 5, 4, 2, 6, 4, 1, 5, 4, 5, 4, 7, 7, 4, 3, 5, 4, 5, 6, 2, 10, 3, 1]