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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.

A175394 Least nontrivial exponent e > 2 such that n^2 is a substring of n^e (n >= 0).

Table of values

n a(n)
0 3
1 3
2 6
3 6
4 7
5 3
6 7
7 6
8 22
9 11
10 3
11 13
12 26
13 54
14 123
15 27
16 27
17 40
18 100
19 43
20 6
21 43
22 54
23 42
24 12
25 3
26 37
27 43
28 9
29 37
30 6
31 19
32 102
33 102
34 43
35 96
36 83
37 45
38 67
39 34
40 12
41 128
42 168
43 102
44 182
45 44
46 152
47 104
48 184
49 52
50 3
51 17
52 35
53 75
54 164
55 67
56 127
57 22
58 134
59 98
60 7
61 124
62 117
63 146
64 77
65 146
66 156
67 87

List of values

[3, 3, 6, 6, 7, 3, 7, 6, 22, 11, 3, 13, 26, 54, 123, 27, 27, 40, 100, 43, 6, 43, 54, 42, 12, 3, 37, 43, 9, 37, 6, 19, 102, 102, 43, 96, 83, 45, 67, 34, 12, 128, 168, 102, 182, 44, 152, 104, 184, 52, 3, 17, 35, 75, 164, 67, 127, 22, 134, 98, 7, 124, 117, 146, 77, 146, 156, 87]

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

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