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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.

A158714 Primes p such that p1 = ceiling(p/2) + p is prime and p2 = floor(p1/2) + p1 is prime.

Table of values

n a(n)
1 3
2 19
3 67
4 307
5 379
6 467
7 547
8 587
9 739
10 859
11 1259
12 1699
13 1747
14 1867
15 2027
16 2699
17 2819
18 3259
19 3539
20 4019
21 4507
22 5059
23 5779
24 7547
25 8219
26 8539
27 8747
28 8819
29 9547
30 10067
31 10499
32 10667
33 11939
34 13259
35 13627
36 13859
37 14939
38 17659
39 17707
40 17987
41 18859

List of values

[3, 19, 67, 307, 379, 467, 547, 587, 739, 859, 1259, 1699, 1747, 1867, 2027, 2699, 2819, 3259, 3539, 4019, 4507, 5059, 5779, 7547, 8219, 8539, 8747, 8819, 9547, 10067, 10499, 10667, 11939, 13259, 13627, 13859, 14939, 17659, 17707, 17987, 18859]

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

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