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.

A014871 Numbers k that divide s(k), where s(1)=1, s(j)=20*s(j-1)+j.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 10
7 12
8 14
9 18
10 19
11 20
12 28
13 30
14 36
15 38
16 42
17 54
18 55
19 60
20 70
21 76
22 84
23 90
24 95
25 98
26 108
27 110
28 114
29 126
30 140
31 156
32 162
33 180
34 190
35 196
36 210
37 220
38 228
39 252
40 266
41 270
42 294
43 305
44 324
45 330
46 342
47 361
48 378
49 380
50 406
51 420
52 468
53 486
54 490
55 532
56 540
57 570
58 588

List of values

[1, 2, 4, 5, 6, 10, 12, 14, 18, 19, 20, 28, 30, 36, 38, 42, 54, 55, 60, 70, 76, 84, 90, 95, 98, 108, 110, 114, 126, 140, 156, 162, 180, 190, 196, 210, 220, 228, 252, 266, 270, 294, 305, 324, 330, 342, 361, 378, 380, 406, 420, 468, 486, 490, 532, 540, 570, 588]