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.

A100867 Smallest positive integer k such that A000037(n) is not a quadratic residue modulo k.

Table of values

n a(n)
1 3
2 4
3 3
4 4
5 4
6 3
7 4
8 3
9 5
10 5
11 3
12 4
13 3
14 4
15 4
16 3
17 8
18 4
19 3
20 7
21 3
22 4
23 5
24 3
25 4
26 4
27 3
28 5
29 4
30 3
31 5
32 3
33 4
34 7
35 3
36 4
37 4
38 3
39 7
40 4
41 3
42 5
43 3
44 4
45 5
46 3
47 4
48 4
49 3
50 5
51 4
52 3
53 9
54 7
55 3
56 4
57 3
58 4
59 4
60 3
61 7
62 4
63 3
64 5
65 5
66 3
67 4
68 7
69 3
70 4
71 4
72 3
73 4
74 3
75 9
76 8
77 3
78 4
79 5
80 3
81 4
82 4
83 3
84 5
85 4
86 3
87 7
88 5
89 3
90 4
91 3
92 4
93 4
94 3
95 9
96 4
97 3
98 5
99 8
100 3
101 4
102 5
103 3
104 4
105 4

List of values

[3, 4, 3, 4, 4, 3, 4, 3, 5, 5, 3, 4, 3, 4, 4, 3, 8, 4, 3, 7, 3, 4, 5, 3, 4, 4, 3, 5, 4, 3, 5, 3, 4, 7, 3, 4, 4, 3, 7, 4, 3, 5, 3, 4, 5, 3, 4, 4, 3, 5, 4, 3, 9, 7, 3, 4, 3, 4, 4, 3, 7, 4, 3, 5, 5, 3, 4, 7, 3, 4, 4, 3, 4, 3, 9, 8, 3, 4, 5, 3, 4, 4, 3, 5, 4, 3, 7, 5, 3, 4, 3, 4, 4, 3, 9, 4, 3, 5, 8, 3, 4, 5, 3, 4, 4]