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.

A125639 Doubly abundant numbers - numbers k such that k and s(k) are abundant, where s() is A001065.

Table of values

n a(n)
1 24
2 30
3 42
4 54
5 60
6 66
7 78
8 84
9 90
10 96
11 102
12 114
13 120
14 126
15 132
16 138
17 140
18 150
19 168
20 174
21 176
22 180
23 186
24 198
25 204
26 210
27 216
28 222
29 224
30 234
31 240
32 246
33 252
34 258
35 264
36 270
37 276
38 280
39 282
40 294
41 306
42 308
43 312
44 318
45 330
46 340
47 342
48 348
49 354
50 360
51 364
52 366
53 378
54 380

List of values

[24, 30, 42, 54, 60, 66, 78, 84, 90, 96, 102, 114, 120, 126, 132, 138, 140, 150, 168, 174, 176, 180, 186, 198, 204, 210, 216, 222, 224, 234, 240, 246, 252, 258, 264, 270, 276, 280, 282, 294, 306, 308, 312, 318, 330, 340, 342, 348, 354, 360, 364, 366, 378, 380]