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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.

A103705 Add 6 to each of the preceding digits, beginning with 1.

Table of values

n a(n)
1 1
2 7
3 13
4 7
5 9
6 13
7 15
8 7
9 9
10 7
11 11
12 13
13 15
14 13
15 7
16 7
17 7
18 9
19 7
20 11
21 7
22 9
23 13
24 13
25 13
26 15
27 13
28 7
29 7
30 13
31 15
32 7
33 9
34 7
35 9
36 7
37 9
38 7
39 11
40 7
41 9
42 13
43 13
44 7
45 9
46 7
47 11
48 13
49 15
50 13
51 15
52 13
53 15
54 13
55 7
56 7
57 13
58 15
59 7
60 9
61 7
62 9
63 13
64 15
65 13
66 7
67 7
68 7
69 9
70 7
71 11
72 7
73 9
74 7
75 11
76 7
77 9
78 7
79 11
80 7
81 9
82 13
83 13
84 7
85 9
86 7
87 11

List of values

[1, 7, 13, 7, 9, 13, 15, 7, 9, 7, 11, 13, 15, 13, 7, 7, 7, 9, 7, 11, 7, 9, 13, 13, 13, 15, 13, 7, 7, 13, 15, 7, 9, 7, 9, 7, 9, 7, 11, 7, 9, 13, 13, 7, 9, 7, 11, 13, 15, 13, 15, 13, 15, 13, 7, 7, 13, 15, 7, 9, 7, 9, 13, 15, 13, 7, 7, 7, 9, 7, 11, 7, 9, 7, 11, 7, 9, 7, 11, 7, 9, 13, 13, 7, 9, 7, 11]

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