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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.

A374155 a(n) is the least prime that is a quadratic residue modulo prime(n). First column of A373751.

Table of values

n a(n)
1 2
2 3
3 5
4 2
5 3
6 3
7 2
8 5
9 2
10 5
11 2
12 3
13 2
14 11
15 2
16 7
17 3
18 3
19 17
20 2
21 2
22 2
23 3
24 2
25 2
26 5
27 2
28 3
29 3
30 2
31 2
32 3
33 2
34 5
35 5
36 2
37 3
38 41
39 2
40 13
41 3
42 3
43 2
44 2
45 7
46 2
47 5
48 2
49 3
50 3
51 2
52 2
53 2
54 3
55 2
56 2
57 5
58 2
59 3
60 2
61 7
62 17
63 7
64 2
65 2
66 7
67 5
68 2
69 3
70 3
71 2
72 2
73 2
74 3
75 5
76 2
77 5
78 3
79 2
80 2
81 3
82 3
83 2
84 2
85 2

List of values

[2, 3, 5, 2, 3, 3, 2, 5, 2, 5, 2, 3, 2, 11, 2, 7, 3, 3, 17, 2, 2, 2, 3, 2, 2, 5, 2, 3, 3, 2, 2, 3, 2, 5, 5, 2, 3, 41, 2, 13, 3, 3, 2, 2, 7, 2, 5, 2, 3, 3, 2, 2, 2, 3, 2, 2, 5, 2, 3, 2, 7, 17, 7, 2, 2, 7, 5, 2, 3, 3, 2, 2, 2, 3, 5, 2, 5, 3, 2, 2, 3, 3, 2, 2, 2]

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