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.

A231547 Numbers n such that n < sigma(n) - sigma(n-1).

Table of values

n a(n)
1 12
2 18
3 20
4 24
5 30
6 36
7 42
8 48
9 54
10 60
11 72
12 80
13 84
14 90
15 96
16 102
17 104
18 108
19 114
20 120
21 126
22 132
23 138
24 140
25 144
26 150
27 156
28 160
29 162
30 168
31 174
32 180
33 192
34 198
35 200
36 204
37 210
38 216
39 224
40 228
41 234
42 240
43 252
44 258
45 260
46 264
47 270
48 272
49 276
50 280
51 282
52 288
53 294
54 300
55 306

List of values

[12, 18, 20, 24, 30, 36, 42, 48, 54, 60, 72, 80, 84, 90, 96, 102, 104, 108, 114, 120, 126, 132, 138, 140, 144, 150, 156, 160, 162, 168, 174, 180, 192, 198, 200, 204, 210, 216, 224, 228, 234, 240, 252, 258, 260, 264, 270, 272, 276, 280, 282, 288, 294, 300, 306]