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.

A087943 Numbers n such that 3 divides sigma(n).

Table of values

n a(n)
1 2
2 5
3 6
4 8
5 10
6 11
7 14
8 15
9 17
10 18
11 20
12 22
13 23
14 24
15 26
16 29
17 30
18 32
19 33
20 34
21 35
22 38
23 40
24 41
25 42
26 44
27 45
28 46
29 47
30 49
31 50
32 51
33 53
34 54
35 55
36 56
37 58
38 59
39 60
40 62
41 65
42 66
43 68
44 69
45 70
46 71
47 72
48 74
49 77
50 78
51 80
52 82
53 83
54 85
55 86
56 87
57 88
58 89
59 90
60 92
61 94
62 95
63 96
64 98
65 99
66 101
67 102
68 104
69 105
70 106

List of values

[2, 5, 6, 8, 10, 11, 14, 15, 17, 18, 20, 22, 23, 24, 26, 29, 30, 32, 33, 34, 35, 38, 40, 41, 42, 44, 45, 46, 47, 49, 50, 51, 53, 54, 55, 56, 58, 59, 60, 62, 65, 66, 68, 69, 70, 71, 72, 74, 77, 78, 80, 82, 83, 85, 86, 87, 88, 89, 90, 92, 94, 95, 96, 98, 99, 101, 102, 104, 105, 106]

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

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