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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.

A023190 Conjecturally, maximum number of primes in an infinitely-recurring prime pattern of width 2*n-1.

Table of values

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

List of values

[1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 7, 6, 7, 8, 8, 9, 10, 10, 11, 10, 11, 12, 12, 12, 13, 14, 13, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 21, 21, 21, 22, 22, 23, 23, 23, 24, 24, 24, 24, 24, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 29, 29, 29, 30, 30]

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

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