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.

A050130 a(n)=least k satisfying a(k)=2*k in A050128.

Table of values

n a(n)
1 2
2 4
3 5
4 7
5 10
6 11
7 13
8 16
9 18
10 21
11 23
12 25
13 28
14 30
15 33
16 35
17 38
18 41
19 43
20 45
21 47
22 49
23 52
24 54
25 57
26 59
27 62
28 65
29 67
30 69
31 72
32 74
33 77
34 79
35 82
36 83
37 85
38 87
39 89
40 92
41 94
42 95
43 97
44 100
45 102
46 105
47 107
48 110
49 113
50 115
51 117
52 120
53 122
54 125
55 127
56 130
57 131

List of values

[2, 4, 5, 7, 10, 11, 13, 16, 18, 21, 23, 25, 28, 30, 33, 35, 38, 41, 43, 45, 47, 49, 52, 54, 57, 59, 62, 65, 67, 69, 72, 74, 77, 79, 82, 83, 85, 87, 89, 92, 94, 95, 97, 100, 102, 105, 107, 110, 113, 115, 117, 120, 122, 125, 127, 130, 131]