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.

A234345 Smallest q such that n <= q < 2n with p, q both prime, p+q = 2n, and p <= q.

Table of values

n a(n)
2 2
3 3
4 5
5 5
6 7
7 7
8 11
9 11
10 13
11 11
12 13
13 13
14 17
15 17
16 19
17 17
18 19
19 19
20 23
21 23
22 31
23 23
24 29
25 31
26 29
27 31
28 37
29 29
30 31
31 31
32 41
33 37
34 37
35 41
36 41
37 37
38 47
39 41
40 43
41 41
42 43
43 43
44 47
45 47
46 61
47 47
48 53
49 61
50 53
51 59
52 61
53 53
54 61
55 67
56 59
57 61
58 73
59 59
60 61
61 61
62 71
63 67
64 67
65 71
66 71
67 67
68 83
69 71
70 73
71 71
72 73
73 73

List of values

[2, 3, 5, 5, 7, 7, 11, 11, 13, 11, 13, 13, 17, 17, 19, 17, 19, 19, 23, 23, 31, 23, 29, 31, 29, 31, 37, 29, 31, 31, 41, 37, 37, 41, 41, 37, 47, 41, 43, 41, 43, 43, 47, 47, 61, 47, 53, 61, 53, 59, 61, 53, 61, 67, 59, 61, 73, 59, 61, 61, 71, 67, 67, 71, 71, 67, 83, 71, 73, 71, 73, 73]