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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.

A083530 a(n) = 7^n mod (2*n).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 7
6 1
7 7
8 1
9 1
10 9
11 7
12 1
13 7
14 21
15 13
16 1
17 7
18 1
19 7
20 1
21 7
22 5
23 7
24 1
25 7
26 49
27 1
28 49
29 7
30 49
31 7
32 1
33 13
34 49
35 63
36 1
37 7
38 49
39 31
40 1
41 7
42 49
43 7
44 25
45 37
46 49
47 7
48 1
49 49
50 49
51 37
52 9
53 7
54 1
55 43
56 49
57 1
58 49
59 7
60 1
61 7
62 49
63 91
64 1
65 37
66 37
67 7
68 89
69 67
70 49
71 7
72 1
73 7
74 49
75 43
76 121
77 105
78 25
79 7
80 1
81 1
82 49
83 7
84 49
85 147
86 49

List of values

[1, 1, 1, 1, 7, 1, 7, 1, 1, 9, 7, 1, 7, 21, 13, 1, 7, 1, 7, 1, 7, 5, 7, 1, 7, 49, 1, 49, 7, 49, 7, 1, 13, 49, 63, 1, 7, 49, 31, 1, 7, 49, 7, 25, 37, 49, 7, 1, 49, 49, 37, 9, 7, 1, 43, 49, 1, 49, 7, 1, 7, 49, 91, 1, 37, 37, 7, 89, 67, 49, 7, 1, 7, 49, 43, 121, 105, 25, 7, 1, 1, 49, 7, 49, 147, 49]

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