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.

A092021 Numbers k such that k-th prime + k-th semiprime is semiprime.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 10
7 15
8 19
9 22
10 24
11 26
12 27
13 31
14 36
15 41
16 44
17 57
18 60
19 67
20 78
21 84
22 87
23 91
24 93
25 101
26 102
27 103
28 104
29 105
30 107
31 115
32 116
33 120
34 121
35 124
36 126
37 128
38 129
39 131
40 135
41 136
42 137
43 138
44 140
45 151
46 161
47 168
48 183
49 186
50 189
51 190
52 191
53 195
54 208
55 215
56 225
57 227
58 228
59 231

List of values

[1, 2, 3, 5, 7, 10, 15, 19, 22, 24, 26, 27, 31, 36, 41, 44, 57, 60, 67, 78, 84, 87, 91, 93, 101, 102, 103, 104, 105, 107, 115, 116, 120, 121, 124, 126, 128, 129, 131, 135, 136, 137, 138, 140, 151, 161, 168, 183, 186, 189, 190, 191, 195, 208, 215, 225, 227, 228, 231]