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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.

A242065 Smallest k such that the union of {A242059(i): 1 <= i <= k} and {A242060(i): 1 <= i <= k} includes all primes {5, ..., prime(n)}.

Table of values

n a(n)
3 2
4 3
5 4
6 8
7 8
8 17
9 17
10 17
11 60
12 60
13 60
14 60
15 60
16 60
17 60
18 60
19 60
20 60
21 179
22 179
23 179
24 179
25 179
26 179
27 179
28 179
29 264
30 264
31 264
32 319
33 319
34 319
35 319
36 365
37 1112
38 1112
39 1112
40 1112
41 1112
42 1112
43 1112
44 1112
45 1112
46 1112
47 1112
48 4372
49 4372
50 4372
51 4372
52 4372
53 15504
54 15504

List of values

[2, 3, 4, 8, 8, 17, 17, 17, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 179, 179, 179, 179, 179, 179, 179, 179, 264, 264, 264, 319, 319, 319, 319, 365, 1112, 1112, 1112, 1112, 1112, 1112, 1112, 1112, 1112, 1112, 1112, 4372, 4372, 4372, 4372, 4372, 15504, 15504]

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

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