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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.

A270780 Let p_i = the i-th prime. a(i) is the smallest n>1 such that p_i divides n!-1.

Table of values

n a(n)
3 3
4 5
5 9
6 11
7 5
8 17
9 4
10 10
11 15
12 35
13 39
14 41
15 45
16 15
17 18
18 42
19 48
20 35
21 17
22 77
23 41
24 21
25 43
26 99
27 96
28 53
29 22
30 111
31 125
32 129
33 120
34 69
35 25
36 75
37 155
38 161
39 83
40 171
41 177
42 179
43 189
44 90
45 195
46 81
47 105
48 111
49 82
50 227
51 101
52 28
53 239
54 125
55 255
56 261
57 267
58 135
59 236
60 279
61 141
62 291

List of values

[3, 5, 9, 11, 5, 17, 4, 10, 15, 35, 39, 41, 45, 15, 18, 42, 48, 35, 17, 77, 41, 21, 43, 99, 96, 53, 22, 111, 125, 129, 120, 69, 25, 75, 155, 161, 83, 171, 177, 179, 189, 90, 195, 81, 105, 111, 82, 227, 101, 28, 239, 125, 255, 261, 267, 135, 236, 279, 141, 291]