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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.

A240069 The number n^k has all 10 decimal digits starting at k = a(n), or a(n) = 0 if 10 digits are not possible.

Table of values

n a(n)
1 0
2 169
3 107
4 85
5 66
6 65
7 62
8 57
9 54
10 0
11 42
12 52
13 38
14 35
15 35
16 43
17 28
18 26
19 45
20 169
21 30
22 25
23 51
24 24
25 30
26 32
27 29
28 29
29 46
30 107
31 29
32 19
33 25
34 35
35 19
36 33
37 26
38 18
39 42
40 85
41 24
42 20
43 21
44 30
45 40
46 33
47 16
48 30
49 17
50 66
51 30
52 30
53 31
54 19
55 18
56 34
57 20
58 32
59 28
60 65
61 27
62 20
63 25
64 29
65 18
66 16

List of values

[0, 169, 107, 85, 66, 65, 62, 57, 54, 0, 42, 52, 38, 35, 35, 43, 28, 26, 45, 169, 30, 25, 51, 24, 30, 32, 29, 29, 46, 107, 29, 19, 25, 35, 19, 33, 26, 18, 42, 85, 24, 20, 21, 30, 40, 33, 16, 30, 17, 66, 30, 30, 31, 19, 18, 34, 20, 32, 28, 65, 27, 20, 25, 29, 18, 16]

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