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.

A378634 Numbers k such that for each odd prime dividing k, the previous prime divides k-1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 8
6 9
7 10
8 16
9 21
10 22
11 25
12 27
13 32
14 40
15 56
16 64
17 81
18 99
19 100
20 115
21 116
22 128
23 160
24 171
25 176
26 196
27 243
28 250
29 256
30 400
31 424
32 441
33 484
34 507
35 512
36 531
37 625
38 640
39 686
40 729
41 783
42 896
43 1000
44 1024
45 1246
46 1331
47 1408
48 1450
49 1600
50 1660
51 1701
52 1863
53 2048
54 2080
55 2086
56 2109
57 2187
58 2366
59 2401
60 2432

List of values

[1, 2, 3, 4, 8, 9, 10, 16, 21, 22, 25, 27, 32, 40, 56, 64, 81, 99, 100, 115, 116, 128, 160, 171, 176, 196, 243, 250, 256, 400, 424, 441, 484, 507, 512, 531, 625, 640, 686, 729, 783, 896, 1000, 1024, 1246, 1331, 1408, 1450, 1600, 1660, 1701, 1863, 2048, 2080, 2086, 2109, 2187, 2366, 2401, 2432]