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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.

A384181 Primes p such that k! + p or |k! - p| is composite for all k >= 0.

Table of values

n a(n)
1 2
2 3
3 71
4 97
5 179
6 181
7 211
8 223
9 251
10 283
11 431
12 503
13 577
14 827
15 857
16 971
17 1019
18 1021
19 1109
20 1213
21 1249
22 1259
23 1279
24 1289
25 1373
26 1427
27 1429
28 1483
29 1571
30 1609
31 1619
32 1637
33 1699
34 1709
35 1759
36 1801
37 2053
38 2129
39 2141
40 2213
41 2269
42 2281
43 2293
44 2297
45 2339
46 2381
47 2477
48 2503

List of values

[2, 3, 71, 97, 179, 181, 211, 223, 251, 283, 431, 503, 577, 827, 857, 971, 1019, 1021, 1109, 1213, 1249, 1259, 1279, 1289, 1373, 1427, 1429, 1483, 1571, 1609, 1619, 1637, 1699, 1709, 1759, 1801, 2053, 2129, 2141, 2213, 2269, 2281, 2293, 2297, 2339, 2381, 2477, 2503]

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

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