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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.

A285483 a(n) is the smallest positive integer that makes a(n)*A007694(n)-1 a prime number, while a(n) and A007694(n) are coprimes.

Table of values

n a(n)
2 7
3 1
4 1
5 1
6 1
7 5
8 1
9 1
10 1
11 5
12 1
13 1
14 17
15 1
16 5
17 1
18 1
19 5
20 5
21 1
22 7
23 5
24 5
25 5
26 1
27 1
28 13
29 7
30 5
31 1
32 11
33 1
34 1
35 5
36 1
37 17
38 19
39 17
40 19
41 5
42 25
43 5
44 1
45 7
46 5
47 13
48 11
49 5
50 1
51 5
52 5
53 7
54 1
55 1
56 19
57 1
58 1
59 17
60 5
61 7
62 29
63 1
64 5
65 1
66 5
67 7
68 7
69 17
70 1
71 7
72 7
73 1
74 7
75 49
76 5
77 13
78 13
79 25
80 5
81 5
82 23

List of values

[7, 1, 1, 1, 1, 5, 1, 1, 1, 5, 1, 1, 17, 1, 5, 1, 1, 5, 5, 1, 7, 5, 5, 5, 1, 1, 13, 7, 5, 1, 11, 1, 1, 5, 1, 17, 19, 17, 19, 5, 25, 5, 1, 7, 5, 13, 11, 5, 1, 5, 5, 7, 1, 1, 19, 1, 1, 17, 5, 7, 29, 1, 5, 1, 5, 7, 7, 17, 1, 7, 7, 1, 7, 49, 5, 13, 13, 25, 5, 5, 23]

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