cp's OEIS Frontend

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.

A135251 Maximal number of zero digits in square of number with n digits not divisible by 10.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 6
6 8
7 10
8 12
9 14
10 16
11 18
12 20
13 22
14 24
15 26
16 28
17 30
18 32
19 34
20 36
21 38
22 40
23 42
24 44
25 46
26 48
27 50
28 52
29 54
30 56
31 58
32 60
33 62
34 64
35 66
36 68
37 70
38 72
39 74
40 76
41 78
42 80
43 82
44 84
45 86
46 88
47 90
48 92
49 94
50 96
51 98
52 100
53 102
54 104
55 106
56 108
57 110
58 112
59 114
60 116
61 118
62 120
63 122
64 124

List of values

[0, 1, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124]