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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.

A381850 Primes p preceded and followed by primes whose difference is less than 2*log(p).

Table of values

n a(n)
1 41
2 43
3 59
4 61
5 71
6 73
7 101
8 103
9 107
10 109
11 137
12 151
13 163
14 167
15 179
16 193
17 197
18 227
19 229
20 233
21 239
22 269
23 271
24 277
25 281
26 311
27 313
28 349
29 353
30 379
31 383
32 419
33 421
34 431
35 433
36 439
37 443
38 457
39 461
40 463
41 487
42 491
43 499
44 503
45 563
46 569
47 571
48 593
49 599
50 601
51 607
52 613
53 617
54 641
55 643
56 647
57 653

List of values

[41, 43, 59, 61, 71, 73, 101, 103, 107, 109, 137, 151, 163, 167, 179, 193, 197, 227, 229, 233, 239, 269, 271, 277, 281, 311, 313, 349, 353, 379, 383, 419, 421, 431, 433, 439, 443, 457, 461, 463, 487, 491, 499, 503, 563, 569, 571, 593, 599, 601, 607, 613, 617, 641, 643, 647, 653]

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

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