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.

A200515 Least m>0 such that n = y^2 - 5^x (mod m) has no solution, or 0 if no such m exists.

Table of values

n a(n)
0 0
1 4
2 4
3 0
4 0
5 4
6 4
7 5
8 0
9 4
10 4
11 0
12 5
13 4
14 4
15 0
16 24
17 4
18 4
19 0
20 0
21 4
22 4
23 35
24 0
25 4
26 4
27 5
28 15
29 4
30 4
31 0
32 5
33 4
34 4
35 0
36 24
37 4
38 4
39 0
40 24
41 4
42 4
43 15
44 0
45 4
46 4
47 5
48 0
49 4
50 4
51 0
52 5
53 4
54 4
55 39
56 0
57 4
58 4
59 0
60 24
61 4
62 4
63 0
64 24
65 4
66 4
67 5
68 35
69 4
70 4
71 0
72 5
73 4
74 4
75 0
76 0
77 4
78 4
79 63
80 0
81 4
82 4

List of values

[0, 4, 4, 0, 0, 4, 4, 5, 0, 4, 4, 0, 5, 4, 4, 0, 24, 4, 4, 0, 0, 4, 4, 35, 0, 4, 4, 5, 15, 4, 4, 0, 5, 4, 4, 0, 24, 4, 4, 0, 24, 4, 4, 15, 0, 4, 4, 5, 0, 4, 4, 0, 5, 4, 4, 39, 0, 4, 4, 0, 24, 4, 4, 0, 24, 4, 4, 5, 35, 4, 4, 0, 5, 4, 4, 0, 0, 4, 4, 63, 0, 4, 4]