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.

A231086 Initial members of abundant twins, i.e., values of k such that (k, k+2) are both abundant numbers.

Table of values

n a(n)
1 18
2 40
3 54
4 70
5 78
6 88
7 100
8 102
9 112
10 138
11 160
12 174
13 196
14 198
15 208
16 220
17 222
18 258
19 270
20 280
21 304
22 306
23 318
24 340
25 348
26 350
27 352
28 364
29 366
30 378
31 390
32 400
33 414
34 438
35 448
36 460
37 462
38 474
39 490
40 498
41 520
42 532
43 544
44 550
45 558
46 570
47 580
48 606
49 616
50 618
51 640
52 642
53 648

List of values

[18, 40, 54, 70, 78, 88, 100, 102, 112, 138, 160, 174, 196, 198, 208, 220, 222, 258, 270, 280, 304, 306, 318, 340, 348, 350, 352, 364, 366, 378, 390, 400, 414, 438, 448, 460, 462, 474, 490, 498, 520, 532, 544, 550, 558, 570, 580, 606, 616, 618, 640, 642, 648]