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.

A165350 Primes p such that floor((p^2-1)/4)+p is not prime.

Table of values

n a(n)
1 13
2 23
3 43
4 53
5 67
6 71
7 73
8 79
9 83
10 97
11 101
12 103
13 113
14 137
15 149
16 157
17 163
18 167
19 173
20 179
21 181
22 193
23 197
24 211
25 223
26 233
27 241
28 257
29 263
30 269
31 271
32 277
33 283
34 293
35 311
36 313
37 331
38 349
39 353
40 373
41 379
42 383
43 401
44 409
45 419
46 421
47 431
48 433
49 443
50 457
51 463
52 467
53 499

List of values

[13, 23, 43, 53, 67, 71, 73, 79, 83, 97, 101, 103, 113, 137, 149, 157, 163, 167, 173, 179, 181, 193, 197, 211, 223, 233, 241, 257, 263, 269, 271, 277, 283, 293, 311, 313, 331, 349, 353, 373, 379, 383, 401, 409, 419, 421, 431, 433, 443, 457, 463, 467, 499]