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.

A166021 a(n) = 2*A000124(A003056(n-1)) if A002262(n-1)=0, otherwise a(n-1)+1.

Table of values

n a(n)
1 2
2 4
3 5
4 8
5 9
6 10
7 14
8 15
9 16
10 17
11 22
12 23
13 24
14 25
15 26
16 32
17 33
18 34
19 35
20 36
21 37
22 44
23 45
24 46
25 47
26 48
27 49
28 50
29 58
30 59
31 60
32 61
33 62
34 63
35 64
36 65
37 74
38 75
39 76
40 77
41 78
42 79
43 80
44 81
45 82
46 92
47 93
48 94
49 95
50 96
51 97
52 98
53 99
54 100
55 101
56 112
57 113
58 114
59 115
60 116
61 117
62 118
63 119
64 120
65 121

List of values

[2, 4, 5, 8, 9, 10, 14, 15, 16, 17, 22, 23, 24, 25, 26, 32, 33, 34, 35, 36, 37, 44, 45, 46, 47, 48, 49, 50, 58, 59, 60, 61, 62, 63, 64, 65, 74, 75, 76, 77, 78, 79, 80, 81, 82, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121]