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.

A189974 Numbers m such that d(m-1) = d(m+1) = 4, where d(k) is the number of divisors of k (A000005).

Table of values

n a(n)
1 7
2 9
3 34
4 56
5 86
6 92
7 94
8 124
9 142
10 144
11 160
12 184
13 186
14 202
15 204
16 214
17 216
18 218
19 220
20 236
21 248
22 266
23 300
24 302
25 304
26 320
27 322
28 328
29 340
30 342
31 392
32 394
33 412
34 414
35 416
36 446
37 452
38 470
39 472
40 516
41 518
42 534
43 536
44 544
45 552
46 580
47 582
48 590
49 634
50 668
51 670
52 680
53 686

List of values

[7, 9, 34, 56, 86, 92, 94, 124, 142, 144, 160, 184, 186, 202, 204, 214, 216, 218, 220, 236, 248, 266, 300, 302, 304, 320, 322, 328, 340, 342, 392, 394, 412, 414, 416, 446, 452, 470, 472, 516, 518, 534, 536, 544, 552, 580, 582, 590, 634, 668, 670, 680, 686]