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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.

A176507 Indices of products of 2 single (or isolated or non-twin) primes in the composites.

Table of values

n a(n)
1 1
2 31
3 52
4 69
5 78
6 101
7 120
8 127
9 137
10 149
11 177
12 199
13 206
14 248
15 259
16 266
17 277
18 339
19 359
20 375
21 406
22 416
23 426
24 429
25 452
26 479
27 501
28 518
29 540
30 551
31 579
32 590
33 603
34 613
35 623
36 630
37 640
38 655
39 662
40 676
41 704
42 726
43 732
44 743
45 757
46 775
47 795
48 809
49 816
50 829
51 837
52 847
53 900

List of values

[1, 31, 52, 69, 78, 101, 120, 127, 137, 149, 177, 199, 206, 248, 259, 266, 277, 339, 359, 375, 406, 416, 426, 429, 452, 479, 501, 518, 540, 551, 579, 590, 603, 613, 623, 630, 640, 655, 662, 676, 704, 726, 732, 743, 757, 775, 795, 809, 816, 829, 837, 847, 900]