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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.

A140776 A number n is included if (p + n/p) is prime, where p is the largest prime that divides n.

Table of values

n a(n)
1 2
2 6
3 10
4 12
5 22
6 24
7 28
8 30
9 34
10 40
11 42
12 48
13 52
14 58
15 60
16 66
17 70
18 76
19 78
20 82
21 84
22 88
23 90
24 102
25 112
26 118
27 120
28 130
29 132
30 138
31 142
32 148
33 160
34 168
35 172
36 180
37 184
38 186
39 190
40 192
41 198
42 202
43 204
44 208
45 210
46 214
47 220
48 222
49 228
50 232
51 234
52 238
53 240
54 246
55 252
56 268
57 270
58 274

List of values

[2, 6, 10, 12, 22, 24, 28, 30, 34, 40, 42, 48, 52, 58, 60, 66, 70, 76, 78, 82, 84, 88, 90, 102, 112, 118, 120, 130, 132, 138, 142, 148, 160, 168, 172, 180, 184, 186, 190, 192, 198, 202, 204, 208, 210, 214, 220, 222, 228, 232, 234, 238, 240, 246, 252, 268, 270, 274]

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

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