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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.

A238505 a(n) is the minimum number such that a(n)!/n! - 1 is prime (or 0 if no such number exists).

Table of values

n a(n)
0 3
1 3
2 3
3 4
4 6
5 6
6 9
7 8
8 10
9 11
10 12
11 12
12 14
13 14
14 16
15 17
16 19
17 18
18 20
19 20
20 22
21 24
22 25
23 24
24 41
25 27
26 30
27 29
28 34
29 30
30 32
31 32
32 42
33 36
34 36
35 44
36 39
37 38
38 40
39 42
40 42
41 42
42 46
43 44
44 46
45 47
46 49
47 48
48 52
49 51
50 58
51 58
52 54
53 54
54 56
55 57
56 59
57 60
58 60
59 60
60 71
61 62
62 65
63 65
64 66
65 67
66 71

List of values

[3, 3, 3, 4, 6, 6, 9, 8, 10, 11, 12, 12, 14, 14, 16, 17, 19, 18, 20, 20, 22, 24, 25, 24, 41, 27, 30, 29, 34, 30, 32, 32, 42, 36, 36, 44, 39, 38, 40, 42, 42, 42, 46, 44, 46, 47, 49, 48, 52, 51, 58, 58, 54, 54, 56, 57, 59, 60, 60, 60, 71, 62, 65, 65, 66, 67, 71]

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

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