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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.

A107257 Smallest prime p such that for each j <= n there are primes a < b <= p whose difference b - a is 2*j.

Table of values

n a(n)
1 5
2 7
3 11
4 11
5 13
6 17
7 17
8 19
9 23
10 23
11 29
12 29
13 29
14 31
15 37
16 37
17 37
18 41
19 41
20 43
21 47
22 47
23 53
24 53
25 53
26 59
27 59
28 59
29 61
30 67
31 67
32 67
33 71
34 71
35 73
36 79
37 79
38 79
39 83
40 83
41 89
42 89
43 89
44 101
45 101
46 101
47 101
48 101
49 101
50 103
51 107
52 107
53 109
54 113
55 113
56 131
57 131
58 131
59 131
60 131
61 131
62 131
63 131

List of values

[5, 7, 11, 11, 13, 17, 17, 19, 23, 23, 29, 29, 29, 31, 37, 37, 37, 41, 41, 43, 47, 47, 53, 53, 53, 59, 59, 59, 61, 67, 67, 67, 71, 71, 73, 79, 79, 79, 83, 83, 89, 89, 89, 101, 101, 101, 101, 101, 101, 103, 107, 107, 109, 113, 113, 131, 131, 131, 131, 131, 131, 131, 131]

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

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