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.

A167195 a(2)=3, for n>=3, a(n)=a(n-1)+gcd(n, a(n-1)).

Table of values

n a(n)
2 3
3 6
4 8
5 9
6 12
7 13
8 14
9 15
10 20
11 21
12 24
13 25
14 26
15 27
16 28
17 29
18 30
19 31
20 32
21 33
22 44
23 45
24 48
25 49
26 50
27 51
28 52
29 53
30 54
31 55
32 56
33 57
34 58
35 59
36 60
37 61
38 62
39 63
40 64
41 65
42 66
43 67
44 68
45 69
46 92
47 93
48 96
49 97
50 98
51 99
52 100
53 101
54 102
55 103
56 104
57 105
58 106
59 107
60 108
61 109
62 110
63 111
64 112
65 113
66 114
67 115
68 116

List of values

[3, 6, 8, 9, 12, 13, 14, 15, 20, 21, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 44, 45, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 92, 93, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116]