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.

A237046 Numbers n such that sigma(n) < 2n-1.

Table of values

n a(n)
1 3
2 5
3 7
4 9
5 10
6 11
7 13
8 14
9 15
10 17
11 19
12 21
13 22
14 23
15 25
16 26
17 27
18 29
19 31
20 33
21 34
22 35
23 37
24 38
25 39
26 41
27 43
28 44
29 45
30 46
31 47
32 49
33 50
34 51
35 52
36 53
37 55
38 57
39 58
40 59
41 61
42 62
43 63
44 65
45 67
46 68
47 69
48 71
49 73
50 74
51 75
52 76
53 77
54 79
55 81
56 82
57 83
58 85
59 86
60 87
61 89
62 91
63 92
64 93
65 94
66 95
67 97
68 98
69 99
70 101

List of values

[3, 5, 7, 9, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 65, 67, 68, 69, 71, 73, 74, 75, 76, 77, 79, 81, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95, 97, 98, 99, 101]

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

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