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.

A239929 Numbers n with the property that the symmetric representation of sigma(n) has two parts.

Table of values

n a(n)
1 3
2 5
3 7
4 10
5 11
6 13
7 14
8 17
9 19
10 22
11 23
12 26
13 29
14 31
15 34
16 37
17 38
18 41
19 43
20 44
21 46
22 47
23 52
24 53
25 58
26 59
27 61
28 62
29 67
30 68
31 71
32 73
33 74
34 76
35 78
36 79
37 82
38 83
39 86
40 89
41 92
42 94
43 97
44 101
45 102
46 103
47 106
48 107
49 109
50 113
51 114
52 116
53 118
54 122
55 124
56 127
57 131
58 134
59 136
60 137
61 138

List of values

[3, 5, 7, 10, 11, 13, 14, 17, 19, 22, 23, 26, 29, 31, 34, 37, 38, 41, 43, 44, 46, 47, 52, 53, 58, 59, 61, 62, 67, 68, 71, 73, 74, 76, 78, 79, 82, 83, 86, 89, 92, 94, 97, 101, 102, 103, 106, 107, 109, 113, 114, 116, 118, 122, 124, 127, 131, 134, 136, 137, 138]