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.

A020674 Numbers of the form 2*x^2 + 5*y^2.

Table of values

n a(n)
1 0
2 2
3 5
4 7
5 8
6 13
7 18
8 20
9 22
10 23
11 28
12 32
13 37
14 38
15 45
16 47
17 50
18 52
19 53
20 55
21 63
22 70
23 72
24 77
25 80
26 82
27 88
28 92
29 95
30 98
31 103
32 112
33 117
34 118
35 125
36 127
37 128
38 130
39 133
40 143
41 148
42 152
43 157
44 162
45 167
46 173
47 175
48 178
49 180
50 182
51 188
52 197
53 198
54 200
55 205
56 207
57 208
58 212
59 220
60 223
61 230
62 242

List of values

[0, 2, 5, 7, 8, 13, 18, 20, 22, 23, 28, 32, 37, 38, 45, 47, 50, 52, 53, 55, 63, 70, 72, 77, 80, 82, 88, 92, 95, 98, 103, 112, 117, 118, 125, 127, 128, 130, 133, 143, 148, 152, 157, 162, 167, 173, 175, 178, 180, 182, 188, 197, 198, 200, 205, 207, 208, 212, 220, 223, 230, 242]