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.

A309665 a(1)=1; for n > 1, a(n) = a(n-1)/gcd(a(n-1),n) + n + 1.

Table of values

n a(n)
1 1
2 4
3 8
4 7
5 13
6 20
7 28
8 16
9 26
10 24
11 36
12 16
13 30
14 30
15 18
16 26
17 44
18 41
19 61
20 82
21 104
22 75
23 99
24 58
25 84
26 69
27 51
28 80
29 110
30 42
31 74
32 70
33 104
34 87
35 123
36 78
37 116
38 97
39 137
40 178
41 220
42 153
43 197
44 242
45 288
46 191
47 239
48 288
49 338
50 220
51 272
52 121
53 175
54 230
55 102
56 108
57 94
58 106
59 166

List of values

[1, 4, 8, 7, 13, 20, 28, 16, 26, 24, 36, 16, 30, 30, 18, 26, 44, 41, 61, 82, 104, 75, 99, 58, 84, 69, 51, 80, 110, 42, 74, 70, 104, 87, 123, 78, 116, 97, 137, 178, 220, 153, 197, 242, 288, 191, 239, 288, 338, 220, 272, 121, 175, 230, 102, 108, 94, 106, 166]