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.

A020937 Greatest k such that (k-th prime) < (7 times n-th prime).

Table of values

n a(n)
1 6
2 8
3 11
4 15
5 21
6 24
7 30
8 32
9 37
10 46
11 47
12 55
13 61
14 62
15 66
16 73
17 80
18 82
19 91
20 94
21 97
22 101
23 106
24 114
25 123
26 126
27 128
28 132
29 135
30 138
31 154
32 156
33 162
34 164
35 175
36 177
37 184
38 189
39 192
40 197
41 204
42 205
43 217
44 217
45 220
46 221
47 233
48 246
49 250
50 252
51 258
52 263
53 263
54 273
55 278
56 282
57 289

List of values

[6, 8, 11, 15, 21, 24, 30, 32, 37, 46, 47, 55, 61, 62, 66, 73, 80, 82, 91, 94, 97, 101, 106, 114, 123, 126, 128, 132, 135, 138, 154, 156, 162, 164, 175, 177, 184, 189, 192, 197, 204, 205, 217, 217, 220, 221, 233, 246, 250, 252, 258, 263, 263, 273, 278, 282, 289]