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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.

A239134 Smallest k such that n^k contains k as a substring in its decimal representation.

Table of values

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

List of values

[1, 6, 7, 6, 2, 6, 3, 4, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 4, 2, 3, 2, 4, 2, 4, 3, 7, 1, 2, 3, 3, 2, 2, 3, 5, 2, 6, 1, 8, 4, 4, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 4, 2, 4, 3, 6, 1, 3, 5, 6, 2, 4, 3, 2, 3, 3, 1, 3, 2, 6, 2, 3, 2, 6, 2, 4, 1, 2, 4, 4]

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