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.

A001742 Numbers whose digits contain no loops (version 2).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 11
7 12
8 13
9 15
10 17
11 21
12 22
13 23
14 25
15 27
16 31
17 32
18 33
19 35
20 37
21 51
22 52
23 53
24 55
25 57
26 71
27 72
28 73
29 75
30 77
31 111
32 112
33 113
34 115
35 117
36 121
37 122
38 123
39 125
40 127
41 131
42 132
43 133
44 135
45 137
46 151
47 152
48 153
49 155
50 157
51 171
52 172
53 173
54 175
55 177
56 211
57 212
58 213
59 215

List of values

[1, 2, 3, 5, 7, 11, 12, 13, 15, 17, 21, 22, 23, 25, 27, 31, 32, 33, 35, 37, 51, 52, 53, 55, 57, 71, 72, 73, 75, 77, 111, 112, 113, 115, 117, 121, 122, 123, 125, 127, 131, 132, 133, 135, 137, 151, 152, 153, 155, 157, 171, 172, 173, 175, 177, 211, 212, 213, 215]