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.

A020672 Numbers of form x^2 + 9 y^2.

Table of values

n a(n)
1 0
2 1
3 4
4 9
5 10
6 13
7 16
8 18
9 25
10 34
11 36
12 37
13 40
14 45
15 49
16 52
17 58
18 61
19 64
20 72
21 73
22 81
23 82
24 85
25 90
26 97
27 100
28 106
29 109
30 117
31 121
32 130
33 136
34 144
35 145
36 148
37 153
38 157
39 160
40 162
41 169
42 178
43 180
44 181
45 193
46 196
47 202
48 205
49 208
50 225
51 226
52 229
53 232
54 234
55 241
56 244
57 250
58 256
59 261
60 265
61 274

List of values

[0, 1, 4, 9, 10, 13, 16, 18, 25, 34, 36, 37, 40, 45, 49, 52, 58, 61, 64, 72, 73, 81, 82, 85, 90, 97, 100, 106, 109, 117, 121, 130, 136, 144, 145, 148, 153, 157, 160, 162, 169, 178, 180, 181, 193, 196, 202, 205, 208, 225, 226, 229, 232, 234, 241, 244, 250, 256, 261, 265, 274]