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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.

A265109 a(n) = largest k such that prime(n) + A002110(k) is prime.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 3
6 4
7 6
8 7
9 8
10 6
11 5
12 9
13 8
14 8
15 14
16 9
17 16
18 17
19 14
20 14
21 16
22 21
23 11
24 19
25 14
26 24
27 25
28 15
29 18
30 11
31 28
32 12
33 8
34 19
35 16
36 22
37 35
38 31
39 36
40 25
41 31
42 16
43 40
44 30
45 23
46 41
47 39
48 35
49 10
50 32
51 43
52 38
53 24
54 41
55 19
56 35
57 23
58 55
59 54
60 24
61 53
62 50
63 57
64 62
65 48
66 36
67 64
68 21
69 45
70 54

List of values

[0, 1, 2, 3, 3, 4, 6, 7, 8, 6, 5, 9, 8, 8, 14, 9, 16, 17, 14, 14, 16, 21, 11, 19, 14, 24, 25, 15, 18, 11, 28, 12, 8, 19, 16, 22, 35, 31, 36, 25, 31, 16, 40, 30, 23, 41, 39, 35, 10, 32, 43, 38, 24, 41, 19, 35, 23, 55, 54, 24, 53, 50, 57, 62, 48, 36, 64, 21, 45, 54]

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

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