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.

A007964 Numbers k such that product of proper divisors of k is <= k; i.e., product of divisors of k is <= k^2.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 13
13 14
14 15
15 17
16 19
17 21
18 22
19 23
20 25
21 26
22 27
23 29
24 31
25 33
26 34
27 35
28 37
29 38
30 39
31 41
32 43
33 46
34 47
35 49
36 51
37 53
38 55
39 57
40 58
41 59
42 61
43 62
44 65
45 67
46 69
47 71
48 73
49 74
50 77
51 79
52 82
53 83
54 85
55 86
56 87
57 89
58 91
59 93
60 94
61 95
62 97
63 101
64 103
65 106

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 46, 47, 49, 51, 53, 55, 57, 58, 59, 61, 62, 65, 67, 69, 71, 73, 74, 77, 79, 82, 83, 85, 86, 87, 89, 91, 93, 94, 95, 97, 101, 103, 106]

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

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