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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.

A095221 (Concatenation 1,2,3,...,n) mod n.

Table of values

n a(n)
1 0
2 0
3 0
4 2
5 0
6 0
7 5
8 6
9 0
10 0
11 4
12 0
13 4
14 4
15 0
16 12
17 15
18 0
19 16
20 0
21 3
22 4
23 6
24 12
25 0
26 16
27 0
28 8
29 3
30 0
31 18
32 28
33 15
34 16
35 25
36 0
37 14
38 10
39 33
40 20
41 27
42 24
43 27
44 4
45 0
46 36
47 35
48 12
49 29
50 0
51 48
52 4
53 14
54 0
55 15
56 4
57 18
58 28
59 3
60 0
61 28
62 60
63 45
64 60
65 55
66 48
67 13
68 52
69 0
70 50
71 14
72 36
73 12
74 72
75 0
76 20
77 4
78 72
79 74
80 60
81 54
82 24
83 65

List of values

[0, 0, 0, 2, 0, 0, 5, 6, 0, 0, 4, 0, 4, 4, 0, 12, 15, 0, 16, 0, 3, 4, 6, 12, 0, 16, 0, 8, 3, 0, 18, 28, 15, 16, 25, 0, 14, 10, 33, 20, 27, 24, 27, 4, 0, 36, 35, 12, 29, 0, 48, 4, 14, 0, 15, 4, 18, 28, 3, 0, 28, 60, 45, 60, 55, 48, 13, 52, 0, 50, 14, 36, 12, 72, 0, 20, 4, 72, 74, 60, 54, 24, 65]

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