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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.

A255398 Numbers k such that k^2 lacks the digit 1 in its decimal expansion.

Table of values

n a(n)
1 0
2 2
3 3
4 5
5 6
6 7
7 8
8 15
9 16
10 17
11 18
12 20
13 22
14 23
15 24
16 25
17 26
18 27
19 28
20 30
21 45
22 47
23 48
24 50
25 52
26 53
27 55
28 57
29 58
30 60
31 62
32 63
33 64
34 65
35 66
36 67
37 68
38 70
39 73
40 74
41 75
42 76
43 77
44 78
45 80
46 82
47 83
48 84
49 85
50 86
51 87
52 88
53 92
54 93
55 94
56 95
57 97
58 98
59 143
60 144
61 150
62 153
63 155
64 156
65 157
66 158

List of values

[0, 2, 3, 5, 6, 7, 8, 15, 16, 17, 18, 20, 22, 23, 24, 25, 26, 27, 28, 30, 45, 47, 48, 50, 52, 53, 55, 57, 58, 60, 62, 63, 64, 65, 66, 67, 68, 70, 73, 74, 75, 76, 77, 78, 80, 82, 83, 84, 85, 86, 87, 88, 92, 93, 94, 95, 97, 98, 143, 144, 150, 153, 155, 156, 157, 158]

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

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