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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.

A296420 Period of last digit of multiples of n.

Table of values

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

List of values

[1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10]

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