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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.

A290767 Primes p such that p^2 +/- p +/- 1 are all nonprimes.

Table of values

n a(n)
1 23
2 37
3 43
4 73
5 107
6 109
7 113
8 137
9 157
10 179
11 211
12 223
13 227
14 229
15 239
16 251
17 257
18 271
19 277
20 283
21 311
22 313
23 317
24 347
25 353
26 367
27 389
28 439
29 443
30 467
31 503
32 509
33 521
34 523
35 547
36 557
37 563
38 577
39 587
40 593
41 601
42 631
43 653
44 661
45 719
46 733
47 757
48 797
49 811
50 821
51 823
52 829
53 853
54 859
55 877
56 883

List of values

[23, 37, 43, 73, 107, 109, 113, 137, 157, 179, 211, 223, 227, 229, 239, 251, 257, 271, 277, 283, 311, 313, 317, 347, 353, 367, 389, 439, 443, 467, 503, 509, 521, 523, 547, 557, 563, 577, 587, 593, 601, 631, 653, 661, 719, 733, 757, 797, 811, 821, 823, 829, 853, 859, 877, 883]