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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.

A289363 Primes p such that p^2 + p - 1 is composite.

Table of values

n a(n)
1 7
2 17
3 23
4 29
5 37
6 43
7 47
8 61
9 67
10 71
11 73
12 79
13 97
14 107
15 109
16 113
17 127
18 137
19 139
20 151
21 157
22 167
23 173
24 179
25 197
26 211
27 223
28 227
29 229
30 239
31 251
32 257
33 269
34 271
35 277
36 283
37 293
38 307
39 311
40 313
41 317
42 337
43 347
44 353
45 359
46 367
47 379
48 383
49 389
50 397
51 409
52 421
53 439
54 443
55 457
56 467
57 479
58 487
59 491
60 503
61 509
62 521
63 523

List of values

[7, 17, 23, 29, 37, 43, 47, 61, 67, 71, 73, 79, 97, 107, 109, 113, 127, 137, 139, 151, 157, 167, 173, 179, 197, 211, 223, 227, 229, 239, 251, 257, 269, 271, 277, 283, 293, 307, 311, 313, 317, 337, 347, 353, 359, 367, 379, 383, 389, 397, 409, 421, 439, 443, 457, 467, 479, 487, 491, 503, 509, 521, 523]