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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.

A165681 Primes p such that 3*p*(p-1)+1 is not prime.

Table of values

n a(n)
1 13
2 17
3 19
4 23
5 37
6 41
7 47
8 61
9 71
10 73
11 79
12 83
13 97
14 101
15 103
16 107
17 113
18 127
19 131
20 139
21 149
22 151
23 163
24 167
25 179
26 181
27 191
28 193
29 199
30 211
31 223
32 227
33 229
34 233
35 241
36 251
37 257
38 263
39 269
40 271
41 277
42 281
43 283
44 293
45 307
46 311
47 317
48 331
49 337
50 349
51 359
52 367
53 373
54 379
55 383
56 397
57 401

List of values

[13, 17, 19, 23, 37, 41, 47, 61, 71, 73, 79, 83, 97, 101, 103, 107, 113, 127, 131, 139, 149, 151, 163, 167, 179, 181, 191, 193, 199, 211, 223, 227, 229, 233, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 317, 331, 337, 349, 359, 367, 373, 379, 383, 397, 401]

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

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