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.

A020936 Greatest k such that (k-th prime) < (6 times n-th prime).

Table of values

n a(n)
1 5
2 7
3 10
4 13
5 18
6 21
7 26
8 30
9 33
10 40
11 42
12 47
13 53
14 55
15 60
16 66
17 71
18 72
19 79
20 82
21 84
22 91
23 94
24 99
25 106
26 110
27 113
28 116
29 119
30 123
31 135
32 137
33 142
34 145
35 154
36 154
37 160
38 165
39 168
40 174
41 180
42 180
43 189
44 191
45 194
46 196
47 205
48 217
49 218
50 220
51 221
52 227
53 228
54 239
55 242
56 248
57 255
58 257

List of values

[5, 7, 10, 13, 18, 21, 26, 30, 33, 40, 42, 47, 53, 55, 60, 66, 71, 72, 79, 82, 84, 91, 94, 99, 106, 110, 113, 116, 119, 123, 135, 137, 142, 145, 154, 154, 160, 165, 168, 174, 180, 180, 189, 191, 194, 196, 205, 217, 218, 220, 221, 227, 228, 239, 242, 248, 255, 257]