cp's OEIS Frontend

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.

A164952 Primes p with the property: if p/3 is in the interval (p_m, p_(m+1)), where p_m>=3 and p_k is the k-th prime, then the interval (p, 3p_(m+1)) contains a prime.

Table of values

n a(n)
1 2
2 3
3 11
4 17
5 23
6 29
7 41
8 43
9 59
10 61
11 71
12 73
13 79
14 97
15 101
16 103
17 107
18 131
19 137
20 149
21 151
22 163
23 167
24 179
25 191
26 193
27 223
28 227
29 229
30 239
31 251
32 257
33 269
34 271
35 277
36 281
37 311
38 331
39 347
40 349
41 353
42 359
43 367
44 373
45 383
46 397
47 419
48 421
49 431
50 433
51 439
52 457
53 461
54 463
55 479
56 491

List of values

[2, 3, 11, 17, 23, 29, 41, 43, 59, 61, 71, 73, 79, 97, 101, 103, 107, 131, 137, 149, 151, 163, 167, 179, 191, 193, 223, 227, 229, 239, 251, 257, 269, 271, 277, 281, 311, 331, 347, 349, 353, 359, 367, 373, 383, 397, 419, 421, 431, 433, 439, 457, 461, 463, 479, 491]

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

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