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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.

A216140 Conjectured number of digits in highest power of n with no two consecutive identical digits.

Table of values

n a(n)
2 38
3 64
4 38
5 23
6 21
7 23
8 38
9 32
10 2
11 17
12 17
13 13
14 88
15 18
16 32
17 24
18 23
19 11
20 2
21 60
22 52
23 26
24 17
25 23
26 43
27 32
28 16
29 31
30 2
31 24
32 25
33 17
34 19
35 17
36 21
37 16
38 37
39 16
40 2
41 36
42 31
43 10
44 30
45 42
46 39
47 19
48 17
49 11
50 2
51 11
52 14
53 35
54 25
55 30
56 20
57 23
58 25
59 24
60 2
61 27
62 26
63 31
64 38
65 30
66 30
67 17
68 8

List of values

[38, 64, 38, 23, 21, 23, 38, 32, 2, 17, 17, 13, 88, 18, 32, 24, 23, 11, 2, 60, 52, 26, 17, 23, 43, 32, 16, 31, 2, 24, 25, 17, 19, 17, 21, 16, 37, 16, 2, 36, 31, 10, 30, 42, 39, 19, 17, 11, 2, 11, 14, 35, 25, 30, 20, 23, 25, 24, 2, 27, 26, 31, 38, 30, 30, 17, 8]

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

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