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.

A050741 Numbers k such that the decimal expansion of k^2 contains no pair of consecutive equal digits.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 11
12 13
13 14
14 16
15 17
16 18
17 19
18 22
19 23
20 24
21 25
22 26
23 27
24 28
25 29
26 31
27 32
28 33
29 36
30 37
31 39
32 41
33 42
34 43
35 44
36 45
37 48
38 49
39 51
40 52
41 53
42 54
43 55
44 56
45 57
46 59
47 61
48 63
49 64
50 66
51 68
52 69
53 71
54 72
55 73
56 74
57 75
58 77
59 78
60 79
61 81
62 82
63 84
64 86
65 87
66 89
67 91
68 92
69 93
70 95
71 96
72 97

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 14, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 36, 37, 39, 41, 42, 43, 44, 45, 48, 49, 51, 52, 53, 54, 55, 56, 57, 59, 61, 63, 64, 66, 68, 69, 71, 72, 73, 74, 75, 77, 78, 79, 81, 82, 84, 86, 87, 89, 91, 92, 93, 95, 96, 97]