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.

A062969 Numbers k such that abs(d(k)-k-1) is prime, where d(k) is the number of divisors of k.

Table of values

n a(n)
1 3
2 4
3 6
4 8
5 9
6 10
7 12
8 14
9 18
10 22
11 24
12 25
13 26
14 28
15 30
16 34
17 46
18 49
19 52
20 54
21 62
22 66
23 72
24 74
25 76
26 78
27 80
28 82
29 84
30 86
31 90
32 104
33 106
34 108
35 110
36 112
37 114
38 134
39 138
40 142
41 150
42 160
43 166
44 169
45 170
46 172
47 174
48 176
49 180
50 186
51 192
52 194
53 202
54 204
55 208
56 214
57 226
58 230
59 234
60 244
61 246

List of values

[3, 4, 6, 8, 9, 10, 12, 14, 18, 22, 24, 25, 26, 28, 30, 34, 46, 49, 52, 54, 62, 66, 72, 74, 76, 78, 80, 82, 84, 86, 90, 104, 106, 108, 110, 112, 114, 134, 138, 142, 150, 160, 166, 169, 170, 172, 174, 176, 180, 186, 192, 194, 202, 204, 208, 214, 226, 230, 234, 244, 246]

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

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