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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.

A242366 Primes p such that p1 = ceiling(p/2) + p is prime and p2 = floor(p1/2) + p is prime.

Table of values

n a(n)
1 2
2 3
3 11
4 59
5 131
6 179
7 347
8 1259
9 1571
10 1979
11 2027
12 2411
13 2699
14 2819
15 3251
16 3347
17 4211
18 5051
19 5099
20 5171
21 5531
22 6779
23 7187
24 8747
25 10091
26 12227
27 13259
28 13451
29 13499
30 13931
31 14411
32 14771
33 15131
34 15467
35 16451
36 16691
37 17987
38 18131
39 18539
40 18731
41 18899
42 19211

List of values

[2, 3, 11, 59, 131, 179, 347, 1259, 1571, 1979, 2027, 2411, 2699, 2819, 3251, 3347, 4211, 5051, 5099, 5171, 5531, 6779, 7187, 8747, 10091, 12227, 13259, 13451, 13499, 13931, 14411, 14771, 15131, 15467, 16451, 16691, 17987, 18131, 18539, 18731, 18899, 19211]

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

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