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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.

A070453 a(n) = n^2 mod 31.

Table of values

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

List of values

[0, 1, 4, 9, 16, 25, 5, 18, 2, 19, 7, 28, 20, 14, 10, 8, 8, 10, 14, 20, 28, 7, 19, 2, 18, 5, 25, 16, 9, 4, 1, 0, 1, 4, 9, 16, 25, 5, 18, 2, 19, 7, 28, 20, 14, 10, 8, 8, 10, 14, 20, 28, 7, 19, 2, 18, 5, 25, 16, 9, 4, 1, 0, 1, 4, 9, 16, 25, 5, 18, 2, 19, 7, 28, 20, 14, 10, 8, 8, 10, 14, 20]

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