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.

A073803 Numbers k such that the number of divisors of k is smaller than that of sigma(k).

Table of values

n a(n)
1 3
2 5
3 6
4 7
5 10
6 11
7 13
8 14
9 15
10 17
11 19
12 20
13 21
14 22
15 23
16 24
17 26
18 27
19 28
20 29
21 30
22 31
23 33
24 34
25 35
26 37
27 38
28 39
29 40
30 41
31 42
32 43
33 44
34 45
35 46
36 47
37 49
38 51
39 53
40 54
41 55
42 56
43 57
44 58
45 59
46 60
47 61
48 62
49 63
50 65
51 66
52 67
53 68
54 69
55 70
56 71
57 73
58 74
59 76
60 77
61 78
62 79
63 82
64 83
65 85
66 86
67 87
68 88
69 89
70 91

List of values

[3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 76, 77, 78, 79, 82, 83, 85, 86, 87, 88, 89, 91]

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

Content is available under The OEIS End-User License Agreement.