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.

A112823 Greatest p less than or equal to n with p and q both prime, p+q = 2n.

Table of values

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

List of values

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

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

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