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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.

A068828 Geometrically weak primes: primes that are smaller than the geometric mean of their neighbors (2 is included by convention).

Table of values

n a(n)
1 2
2 3
3 7
4 13
5 19
6 23
7 31
8 43
9 47
10 61
11 73
12 83
13 89
14 103
15 109
16 113
17 131
18 139
19 151
20 167
21 181
22 193
23 199
24 229
25 233
26 241
27 271
28 283
29 293
30 313
31 317
32 337
33 349
34 353
35 359
36 383
37 389
38 401
39 409
40 421
41 433
42 443
43 449
44 463
45 467
46 491
47 503
48 509
49 523
50 547
51 571
52 577
53 601
54 619
55 643

List of values

[2, 3, 7, 13, 19, 23, 31, 43, 47, 61, 73, 83, 89, 103, 109, 113, 131, 139, 151, 167, 181, 193, 199, 229, 233, 241, 271, 283, 293, 313, 317, 337, 349, 353, 359, 383, 389, 401, 409, 421, 433, 443, 449, 463, 467, 491, 503, 509, 523, 547, 571, 577, 601, 619, 643]

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

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