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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.

A131134 a(1)=1. a(n) = (1/n + 1/a(n-1)) * lcm(n,a(n-1)).

Table of values

n a(n)
1 1
2 3
3 2
4 3
5 8
6 7
7 2
8 5
9 14
10 12
11 23
12 35
13 48
14 31
15 46
16 31
17 48
18 11
19 30
20 5
21 26
22 24
23 47
24 71
25 96
26 61
27 88
28 29
29 2
30 16
31 47
32 79
33 112
34 73
35 108
36 4
37 41
38 79
39 118
40 79
41 120
42 27
43 70
44 57
45 34
46 40
47 87
48 45
49 94
50 72
51 41
52 93
53 146
54 100
55 31
56 87
57 48
58 53
59 112
60 43
61 104
62 83
63 146
64 105
65 34
66 50
67 117
68 185
69 254

List of values

[1, 3, 2, 3, 8, 7, 2, 5, 14, 12, 23, 35, 48, 31, 46, 31, 48, 11, 30, 5, 26, 24, 47, 71, 96, 61, 88, 29, 2, 16, 47, 79, 112, 73, 108, 4, 41, 79, 118, 79, 120, 27, 70, 57, 34, 40, 87, 45, 94, 72, 41, 93, 146, 100, 31, 87, 48, 53, 112, 43, 104, 83, 146, 105, 34, 50, 117, 185, 254]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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