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.

A014201 Number of solutions to x^2 + x*y + y^2 <= n excluding (0,0).

Table of values

n a(n)
0 0
1 6
2 6
3 12
4 18
5 18
6 18
7 30
8 30
9 36
10 36
11 36
12 42
13 54
14 54
15 54
16 60
17 60
18 60
19 72
20 72
21 84
22 84
23 84
24 84
25 90
26 90
27 96
28 108
29 108
30 108
31 120
32 120
33 120
34 120
35 120
36 126
37 138
38 138
39 150
40 150
41 150
42 150
43 162
44 162
45 162
46 162
47 162
48 168
49 186
50 186
51 186
52 198
53 198
54 198
55 198
56 198
57 210

List of values

[0, 6, 6, 12, 18, 18, 18, 30, 30, 36, 36, 36, 42, 54, 54, 54, 60, 60, 60, 72, 72, 84, 84, 84, 84, 90, 90, 96, 108, 108, 108, 120, 120, 120, 120, 120, 126, 138, 138, 150, 150, 150, 150, 162, 162, 162, 162, 162, 168, 186, 186, 186, 198, 198, 198, 198, 198, 210]