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.

A116039 Numbers k such that k + prime(k) + prime(prime(k)) is a semiprime (A001358).

Table of values

n a(n)
1 1
2 2
3 8
4 9
5 11
6 12
7 18
8 19
9 22
10 23
11 26
12 29
13 33
14 35
15 43
16 47
17 50
18 53
19 57
20 59
21 61
22 69
23 75
24 76
25 77
26 78
27 81
28 89
29 103
30 105
31 109
32 112
33 124
34 125
35 131
36 135
37 140
38 141
39 142
40 143
41 146
42 151
43 153
44 155
45 160
46 166
47 170
48 175
49 176
50 177
51 181
52 189
53 209
54 211
55 215
56 216
57 220
58 225
59 226

List of values

[1, 2, 8, 9, 11, 12, 18, 19, 22, 23, 26, 29, 33, 35, 43, 47, 50, 53, 57, 59, 61, 69, 75, 76, 77, 78, 81, 89, 103, 105, 109, 112, 124, 125, 131, 135, 140, 141, 142, 143, 146, 151, 153, 155, 160, 166, 170, 175, 176, 177, 181, 189, 209, 211, 215, 216, 220, 225, 226]