cp's OEIS Frontend

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.

A092419 Let k = n-th nonsquare = A000037(n); then a(n) = smallest prime p such that the Kronecker-Jacobi symbol K(k,p) = -1.

Table of values

n a(n)
1 3
2 2
3 2
4 7
5 5
6 3
7 7
8 2
9 5
10 2
11 3
12 13
13 3
14 5
15 2
16 3
17 2
18 5
19 3
20 7
21 3
22 2
23 5
24 2
25 11
26 7
27 3
28 5
29 7
30 2
31 2
32 3
33 11
34 7
35 3
36 5
37 2
38 3
39 2
40 11
41 3
42 5
43 3
44 2
45 5
46 2
47 7
48 7
49 3
50 5
51 5
52 2
53 13
54 2
55 3
56 5
57 3
58 7
59 2
60 3
61 2
62 13
63 3
64 5
65 5
66 3
67 2
68 7
69 2
70 5
71 11
72 3
73 5
74 2
75 11
76 2
77 3
78 5
79 5
80 3
81 7
82 2
83 3
84 2
85 7
86 3
87 7
88 5
89 3
90 2
91 2
92 5
93 5
94 3
95 11
96 11
97 2
98 5
99 2
100 3
101 7

List of values

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