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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.

A228775 a(n) is the maximal k>=1 such that nextprime(j*n)<=(j+1)*n, j=1,...,k.

Table of values

n a(n)
1 2
2 3
3 7
4 5
5 17
6 14
7 16
8 24
9 12
10 19
11 28
12 43
13 86
14 80
15 34
16 82
17 78
18 73
19 69
20 66
21 117
22 329
23 57
24 222
25 171
26 228
27 178
28 470
29 291
30 359
31 505
32 366
33 585
34 576
35 644
36 544
37 423
38 742
39 502
40 636
41 765
42 466
43 936
44 578
45 697
46 682
47 541
48 1442
49 640
50 627
51 615
52 603
53 2025
54 1660
55 570
56 1833

List of values

[2, 3, 7, 5, 17, 14, 16, 24, 12, 19, 28, 43, 86, 80, 34, 82, 78, 73, 69, 66, 117, 329, 57, 222, 171, 228, 178, 470, 291, 359, 505, 366, 585, 576, 644, 544, 423, 742, 502, 636, 765, 466, 936, 578, 697, 682, 541, 1442, 640, 627, 615, 603, 2025, 1660, 570, 1833]