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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.

A343593 a(n) is the smallest number k > 0 such that n! + n + k is prime.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 1
5 2
6 1
7 4
8 15
9 8
10 1
11 6
12 17
13 54
14 5
15 28
16 7
17 14
18 19
19 70
20 9
21 10
22 9
23 74
24 107
25 16
26 33
27 20
28 39
29 194
30 77
31 96
32 47
33 4
34 63
35 26
36 95
37 274
38 5
39 58
40 13
41 20
42 55
43 28
44 3
45 194
46 55
47 186
48 5
49 34
50 11
51 220
52 1
53 18
54 169
55 16
56 93
57 50
58 225
59 234
60 211
61 708
62 69
63 208
64 3
65 128
66 217

List of values

[1, 1, 1, 2, 1, 2, 1, 4, 15, 8, 1, 6, 17, 54, 5, 28, 7, 14, 19, 70, 9, 10, 9, 74, 107, 16, 33, 20, 39, 194, 77, 96, 47, 4, 63, 26, 95, 274, 5, 58, 13, 20, 55, 28, 3, 194, 55, 186, 5, 34, 11, 220, 1, 18, 169, 16, 93, 50, 225, 234, 211, 708, 69, 208, 3, 128, 217]

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

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