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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.

A350131 Number of segments lit to display the number n on a 9-segment display used by the Russian postal service.

Table of values

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

List of values

[6, 3, 4, 4, 4, 5, 5, 3, 7, 5, 9, 6, 7, 7, 7, 8, 8, 6, 10, 8, 10, 7, 8, 8, 8, 9, 9, 7, 11, 9, 10, 7, 8, 8, 8, 9, 9, 7, 11, 9, 10, 7, 8, 8, 8, 9, 9, 7, 11, 9, 11, 8, 9, 9, 9, 10, 10, 8, 12, 10, 11, 8, 9, 9, 9, 10, 10, 8, 12, 10, 9, 6, 7, 7, 7, 8, 8, 6, 10, 8]

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