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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.

A216063 a(n) is the conjectured highest power of n which has no two identical digits in succession.

Table of values

n a(n)
2 126
3 133
4 63
5 32
6 26
7 27
8 42
9 33
10 1
11 16
12 15
13 11
14 76
15 15
16 26
17 19
18 18
19 8
20 1
21 45
22 38
23 19
24 12
25 16
26 30
27 22
28 11
29 21
30 1
31 16
32 16
33 11
34 12
35 11
36 13
37 10
38 23
39 10
40 1
41 22
42 19
43 6
44 18
45 25
46 23
47 11
48 10
49 6
50 1
51 6
52 8
53 20
54 14
55 17
56 11
57 13
58 14
59 13
60 1
61 15
62 14
63 17
64 21
65 16
66 16
67 9
68 4
69 11

List of values

[126, 133, 63, 32, 26, 27, 42, 33, 1, 16, 15, 11, 76, 15, 26, 19, 18, 8, 1, 45, 38, 19, 12, 16, 30, 22, 11, 21, 1, 16, 16, 11, 12, 11, 13, 10, 23, 10, 1, 22, 19, 6, 18, 25, 23, 11, 10, 6, 1, 6, 8, 20, 14, 17, 11, 13, 14, 13, 1, 15, 14, 17, 21, 16, 16, 9, 4, 11]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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