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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.

A303436 Primes p such that all the composite numbers between p and its next prime have no more than 2 distinct prime factors.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 13
7 17
8 19
9 23
10 31
11 37
12 43
13 47
14 53
15 71
16 79
17 97
18 107
19 157
20 191
21 223
22 431
23 499
24 673
25 1151
26 1213
27 2591
28 51199
29 139967
30 472391
31 703123
32 786431
33 995327
34 57395627
35 63700991
36 169869311
37 4076863487
38 10871635967

List of values

[2, 3, 5, 7, 11, 13, 17, 19, 23, 31, 37, 43, 47, 53, 71, 79, 97, 107, 157, 191, 223, 431, 499, 673, 1151, 1213, 2591, 51199, 139967, 472391, 703123, 786431, 995327, 57395627, 63700991, 169869311, 4076863487, 10871635967]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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