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.

A067874 Positive integers x satisfying x^2 - D*y^2 = 1 for a unique integer D.

Table of values

n a(n)
1 2
2 4
3 6
4 12
5 14
6 16
7 18
8 20
9 22
10 30
11 32
12 34
13 36
14 38
15 40
16 42
17 52
18 54
19 56
20 58
21 60
22 66
23 68
24 70
25 72
26 78
27 84
28 86
29 88
30 90
31 92
32 94
33 96
34 102
35 104
36 106
37 108
38 110
39 112
40 114
41 128
42 130
43 132
44 138
45 140
46 142
47 144
48 150
49 156
50 158
51 160
52 162
53 164
54 166
55 178
56 180
57 182
58 184
59 186
60 192
61 194
62 196
63 198

List of values

[2, 4, 6, 12, 14, 16, 18, 20, 22, 30, 32, 34, 36, 38, 40, 42, 52, 54, 56, 58, 60, 66, 68, 70, 72, 78, 84, 86, 88, 90, 92, 94, 96, 102, 104, 106, 108, 110, 112, 114, 128, 130, 132, 138, 140, 142, 144, 150, 156, 158, 160, 162, 164, 166, 178, 180, 182, 184, 186, 192, 194, 196, 198]