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.

A356742 Numbers k such that k and k+2 both have exactly 4 divisors.

Table of values

n a(n)
1 6
2 8
3 33
4 55
5 85
6 91
7 93
8 123
9 141
10 143
11 159
12 183
13 185
14 201
15 203
16 213
17 215
18 217
19 219
20 235
21 247
22 265
23 299
24 301
25 303
26 319
27 321
28 327
29 339
30 341
31 391
32 393
33 411
34 413
35 415
36 445
37 451
38 469
39 471
40 515
41 517
42 533
43 535
44 543
45 551
46 579
47 581
48 589
49 633
50 667
51 669
52 679
53 685
54 687
55 695
56 697

List of values

[6, 8, 33, 55, 85, 91, 93, 123, 141, 143, 159, 183, 185, 201, 203, 213, 215, 217, 219, 235, 247, 265, 299, 301, 303, 319, 321, 327, 339, 341, 391, 393, 411, 413, 415, 445, 451, 469, 471, 515, 517, 533, 535, 543, 551, 579, 581, 589, 633, 667, 669, 679, 685, 687, 695, 697]