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.

A370421 Integers k such that all groups of order k have strictly fewer than k subgroups.

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 29
18 30
19 31
20 33
21 34
22 35
23 37
24 38
25 39
26 41
27 42
28 43
29 44
30 45
31 46
32 47
33 49
34 51
35 52
36 53
37 55
38 57
39 58
40 59
41 61
42 62
43 63
44 65
45 66
46 67
47 68
48 69
49 70
50 71
51 73
52 74
53 75
54 76
55 77
56 78
57 79
58 82
59 83
60 85
61 86
62 87
63 89
64 91
65 92
66 93
67 94
68 95
69 97
70 99

List of values

[3, 5, 7, 9, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 49, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95, 97, 99]

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

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